Home / 13,486,542.70-20,229,814.05-3,902,233.90

Finding the Fourth Proportional to 13,486,542.70, 20,229,814.05 and 3,902,233.90

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Solution

The fourth proportional to 13,486,542.70, 20,229,814.05 and 3,902,233.90 is: 5,853,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,542.70 : 20,229,814.05 = 3,902,233.90 : x
  2. Step 2: Convert to fraction form
    13,486,542.70/20,229,814.05 = 3,902,233.90/x
  3. Step 3: Cross multiply
    13,486,542.70x = 20,229,814.05 × 3,902,233.90
  4. Step 4: Simplify right side
    13,486,542.70x = 78,941,466,176,606.30
  5. Step 5: Solve for x
    x = 78,941,466,176,606.30/13,486,542.70
  6. Step 6: Final answer
    x = 5,853,350.85

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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.