Home / 15,280,196.92-21,086,227.14-8,404,677.16

Finding the Fourth Proportional to 15,280,196.92, 21,086,227.14 and 8,404,677.16

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Solution

The fourth proportional to 15,280,196.92, 21,086,227.14 and 8,404,677.16 is: 11,598,209.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,196.92 : 21,086,227.14 = 8,404,677.16 : x
  2. Step 2: Convert to fraction form
    15,280,196.92/21,086,227.14 = 8,404,677.16/x
  3. Step 3: Cross multiply
    15,280,196.92x = 21,086,227.14 × 8,404,677.16
  4. Step 4: Simplify right side
    15,280,196.92x = 177,222,931,634,130.12
  5. Step 5: Solve for x
    x = 177,222,931,634,130.12/15,280,196.92
  6. Step 6: Final answer
    x = 11,598,209.93

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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.