Home / 15,741,796.38-21,729,113.91-9,217,522.86

Finding the Fourth Proportional to 15,741,796.38, 21,729,113.91 and 9,217,522.86

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Solution

The fourth proportional to 15,741,796.38, 21,729,113.91 and 9,217,522.86 is: 12,723,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,741,796.38 : 21,729,113.91 = 9,217,522.86 : x
  2. Step 2: Convert to fraction form
    15,741,796.38/21,729,113.91 = 9,217,522.86/x
  3. Step 3: Cross multiply
    15,741,796.38x = 21,729,113.91 × 9,217,522.86
  4. Step 4: Simplify right side
    15,741,796.38x = 200,288,604,192,968.97
  5. Step 5: Solve for x
    x = 200,288,604,192,968.97/15,741,796.38
  6. Step 6: Final answer
    x = 12,723,363.93

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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.