Home / 15,762,916,140.84-21,752,810,220.74-8,897,757,803.51

Finding the Fourth Proportional to 15,762,916,140.84, 21,752,810,220.74 and 8,897,757,803.51

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Solution

The fourth proportional to 15,762,916,140.84, 21,752,810,220.74 and 8,897,757,803.51 is: 12,278,897,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,762,916,140.84 : 21,752,810,220.74 = 8,897,757,803.51 : x
  2. Step 2: Convert to fraction form
    15,762,916,140.84/21,752,810,220.74 = 8,897,757,803.51/x
  3. Step 3: Cross multiply
    15,762,916,140.84x = 21,752,810,220.74 × 8,897,757,803.51
  4. Step 4: Simplify right side
    15,762,916,140.84x = 193,551,236,889,708,167,168
  5. Step 5: Solve for x
    x = 193,551,236,889,708,167,168/15,762,916,140.84
  6. Step 6: Final answer
    x = 12,278,897,835.93

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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.