Home / 18,281,691.38-25,228,737.75-10,132,929.38

Finding the Fourth Proportional to 18,281,691.38, 25,228,737.75 and 10,132,929.38

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Solution

The fourth proportional to 18,281,691.38, 25,228,737.75 and 10,132,929.38 is: 13,983,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281,691.38 : 25,228,737.75 = 10,132,929.38 : x
  2. Step 2: Convert to fraction form
    18,281,691.38/25,228,737.75 = 10,132,929.38/x
  3. Step 3: Cross multiply
    18,281,691.38x = 25,228,737.75 × 10,132,929.38
  4. Step 4: Simplify right side
    18,281,691.38x = 255,641,017,841,146.41
  5. Step 5: Solve for x
    x = 255,641,017,841,146.41/18,281,691.38
  6. Step 6: Final answer
    x = 13,983,444.56

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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.