Home / 7,131,171.30-9,840,944.04-3,867,915.96

Finding the Fourth Proportional to 7,131,171.30, 9,840,944.04 and 3,867,915.96

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Solution

The fourth proportional to 7,131,171.30, 9,840,944.04 and 3,867,915.96 is: 5,337,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,171.30 : 9,840,944.04 = 3,867,915.96 : x
  2. Step 2: Convert to fraction form
    7,131,171.30/9,840,944.04 = 3,867,915.96/x
  3. Step 3: Cross multiply
    7,131,171.30x = 9,840,944.04 × 3,867,915.96
  4. Step 4: Simplify right side
    7,131,171.30x = 38,063,944,513,782.88
  5. Step 5: Solve for x
    x = 38,063,944,513,782.88/7,131,171.30
  6. Step 6: Final answer
    x = 5,337,684.78

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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.