Home / 9,195,496.92-12,690,179.42-5,121,115.92

Finding the Fourth Proportional to 9,195,496.92, 12,690,179.42 and 5,121,115.92

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Solution

The fourth proportional to 9,195,496.92, 12,690,179.42 and 5,121,115.92 is: 7,067,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,496.92 : 12,690,179.42 = 5,121,115.92 : x
  2. Step 2: Convert to fraction form
    9,195,496.92/12,690,179.42 = 5,121,115.92/x
  3. Step 3: Cross multiply
    9,195,496.92x = 12,690,179.42 × 5,121,115.92
  4. Step 4: Simplify right side
    9,195,496.92x = 64,987,879,829,812.78
  5. Step 5: Solve for x
    x = 64,987,879,829,812.78/9,195,496.92
  6. Step 6: Final answer
    x = 7,067,359.21

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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.