Home / 15,179,859.92-20,948,132.04-8,304,217.04

Finding the Fourth Proportional to 15,179,859.92, 20,948,132.04 and 8,304,217.04

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Solution

The fourth proportional to 15,179,859.92, 20,948,132.04 and 8,304,217.04 is: 11,459,778.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179,859.92 : 20,948,132.04 = 8,304,217.04 : x
  2. Step 2: Convert to fraction form
    15,179,859.92/20,948,132.04 = 8,304,217.04/x
  3. Step 3: Cross multiply
    15,179,859.92x = 20,948,132.04 × 8,304,217.04
  4. Step 4: Simplify right side
    15,179,859.92x = 173,957,835,042,737.97
  5. Step 5: Solve for x
    x = 173,957,835,042,737.97/15,179,859.92
  6. Step 6: Final answer
    x = 11,459,778.68

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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.