Home / 9,418,723.20-12,997,863.36-5,344,331.52

Finding the Fourth Proportional to 9,418,723.20, 12,997,863.36 and 5,344,331.52

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Solution

The fourth proportional to 9,418,723.20, 12,997,863.36 and 5,344,331.52 is: 7,375,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418,723.20 : 12,997,863.36 = 5,344,331.52 : x
  2. Step 2: Convert to fraction form
    9,418,723.20/12,997,863.36 = 5,344,331.52/x
  3. Step 3: Cross multiply
    9,418,723.20x = 12,997,863.36 × 5,344,331.52
  4. Step 4: Simplify right side
    9,418,723.20x = 69,464,890,847,501.10
  5. Step 5: Solve for x
    x = 69,464,890,847,501.10/9,418,723.20
  6. Step 6: Final answer
    x = 7,375,191.88

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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.