Home / 15,588,056,316.81-21,511,677,574.86-8,451,483,931.29

Finding the Fourth Proportional to 15,588,056,316.81, 21,511,677,574.86 and 8,451,483,931.29

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Solution

The fourth proportional to 15,588,056,316.81, 21,511,677,574.86 and 8,451,483,931.29 is: 11,663,134,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588,056,316.81 : 21,511,677,574.86 = 8,451,483,931.29 : x
  2. Step 2: Convert to fraction form
    15,588,056,316.81/21,511,677,574.86 = 8,451,483,931.29/x
  3. Step 3: Cross multiply
    15,588,056,316.81x = 21,511,677,574.86 × 8,451,483,931.29
  4. Step 4: Simplify right side
    15,588,056,316.81x = 181,805,597,359,077,097,472
  5. Step 5: Solve for x
    x = 181,805,597,359,077,097,472/15,588,056,316.81
  6. Step 6: Final answer
    x = 11,663,134,496.31

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Double scale
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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.