Home / 20,747,739.12-31,125,639.24-7,967,304.24

Finding the Fourth Proportional to 20,747,739.12, 31,125,639.24 and 7,967,304.24

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Solution

The fourth proportional to 20,747,739.12, 31,125,639.24 and 7,967,304.24 is: 11,952,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747,739.12 : 31,125,639.24 = 7,967,304.24 : x
  2. Step 2: Convert to fraction form
    20,747,739.12/31,125,639.24 = 7,967,304.24/x
  3. Step 3: Cross multiply
    20,747,739.12x = 31,125,639.24 × 7,967,304.24
  4. Step 4: Simplify right side
    20,747,739.12x = 247,987,437,489,562.38
  5. Step 5: Solve for x
    x = 247,987,437,489,562.38/20,747,739.12
  6. Step 6: Final answer
    x = 11,952,504.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.