Home / 8,149,344.20-12,224,016.30-7,228,179.80

Finding the Fourth Proportional to 8,149,344.20, 12,224,016.30 and 7,228,179.80

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Solution

The fourth proportional to 8,149,344.20, 12,224,016.30 and 7,228,179.80 is: 10,842,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,344.20 : 12,224,016.30 = 7,228,179.80 : x
  2. Step 2: Convert to fraction form
    8,149,344.20/12,224,016.30 = 7,228,179.80/x
  3. Step 3: Cross multiply
    8,149,344.20x = 12,224,016.30 × 7,228,179.80
  4. Step 4: Simplify right side
    8,149,344.20x = 88,357,387,694,530.75
  5. Step 5: Solve for x
    x = 88,357,387,694,530.75/8,149,344.20
  6. Step 6: Final answer
    x = 10,842,269.70

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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.