Home / 15,179,857.92-20,948,129.28-8,304,215.04

Finding the Fourth Proportional to 15,179,857.92, 20,948,129.28 and 8,304,215.04

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Solution

The fourth proportional to 15,179,857.92, 20,948,129.28 and 8,304,215.04 is: 11,459,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179,857.92 : 20,948,129.28 = 8,304,215.04 : x
  2. Step 2: Convert to fraction form
    15,179,857.92/20,948,129.28 = 8,304,215.04/x
  3. Step 3: Cross multiply
    15,179,857.92x = 20,948,129.28 × 8,304,215.04
  4. Step 4: Simplify right side
    15,179,857.92x = 173,957,770,226,840.38
  5. Step 5: Solve for x
    x = 173,957,770,226,840.38/15,179,857.92
  6. Step 6: Final answer
    x = 11,459,775.92

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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.