Home / 7,202,789.12-9,940,167.42-4,147,987.52

Finding the Fourth Proportional to 7,202,789.12, 9,940,167.42 and 4,147,987.52

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Solution

The fourth proportional to 7,202,789.12, 9,940,167.42 and 4,147,987.52 is: 5,724,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202,789.12 : 9,940,167.42 = 4,147,987.52 : x
  2. Step 2: Convert to fraction form
    7,202,789.12/9,940,167.42 = 4,147,987.52/x
  3. Step 3: Cross multiply
    7,202,789.12x = 9,940,167.42 × 4,147,987.52
  4. Step 4: Simplify right side
    7,202,789.12x = 41,231,690,414,166.06
  5. Step 5: Solve for x
    x = 41,231,690,414,166.06/7,202,789.12
  6. Step 6: Final answer
    x = 5,724,406.16

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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.