Home / 9,195,536.92-12,690,234.66-5,121,155.92

Finding the Fourth Proportional to 9,195,536.92, 12,690,234.66 and 5,121,155.92

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Solution

The fourth proportional to 9,195,536.92, 12,690,234.66 and 5,121,155.92 is: 7,067,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,536.92 : 12,690,234.66 = 5,121,155.92 : x
  2. Step 2: Convert to fraction form
    9,195,536.92/12,690,234.66 = 5,121,155.92/x
  3. Step 3: Cross multiply
    9,195,536.92x = 12,690,234.66 × 5,121,155.92
  4. Step 4: Simplify right side
    9,195,536.92x = 64,988,670,355,248.19
  5. Step 5: Solve for x
    x = 64,988,670,355,248.19/9,195,536.92
  6. Step 6: Final answer
    x = 7,067,414.43

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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.