Home / 13,486,574.20-20,229,861.30-3,902,265.40

Finding the Fourth Proportional to 13,486,574.20, 20,229,861.30 and 3,902,265.40

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Solution

The fourth proportional to 13,486,574.20, 20,229,861.30 and 3,902,265.40 is: 5,853,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,574.20 : 20,229,861.30 = 3,902,265.40 : x
  2. Step 2: Convert to fraction form
    13,486,574.20/20,229,861.30 = 3,902,265.40/x
  3. Step 3: Cross multiply
    13,486,574.20x = 20,229,861.30 × 3,902,265.40
  4. Step 4: Simplify right side
    13,486,574.20x = 78,942,287,797,789.02
  5. Step 5: Solve for x
    x = 78,942,287,797,789.02/13,486,574.20
  6. Step 6: Final answer
    x = 5,853,398.10

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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.