Home / 15,739,364,152.38-21,720,269,798.01-8,602,773,830.76

Finding the Fourth Proportional to 15,739,364,152.38, 21,720,269,798.01 and 8,602,773,830.76

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Solution

The fourth proportional to 15,739,364,152.38, 21,720,269,798.01 and 8,602,773,830.76 is: 11,871,799,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,364,152.38 : 21,720,269,798.01 = 8,602,773,830.76 : x
  2. Step 2: Convert to fraction form
    15,739,364,152.38/21,720,269,798.01 = 8,602,773,830.76/x
  3. Step 3: Cross multiply
    15,739,364,152.38x = 21,720,269,798.01 × 8,602,773,830.76
  4. Step 4: Simplify right side
    15,739,364,152.38x = 186,854,568,615,367,213,056
  5. Step 5: Solve for x
    x = 186,854,568,615,367,213,056/15,739,364,152.38
  6. Step 6: Final answer
    x = 11,871,799,064.20

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Double scale
Find fourth proportional to 15,739,364,153.38, 21,720,269,799.39 and 8,602,773,831.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.