Home / 8,149,332.20-12,223,998.30-7,228,167.80

Finding the Fourth Proportional to 8,149,332.20, 12,223,998.30 and 7,228,167.80

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Solution

The fourth proportional to 8,149,332.20, 12,223,998.30 and 7,228,167.80 is: 10,842,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149,332.20 : 12,223,998.30 = 7,228,167.80 : x
  2. Step 2: Convert to fraction form
    8,149,332.20/12,223,998.30 = 7,228,167.80/x
  3. Step 3: Cross multiply
    8,149,332.20x = 12,223,998.30 × 7,228,167.80
  4. Step 4: Simplify right side
    8,149,332.20x = 88,357,110,899,314.75
  5. Step 5: Solve for x
    x = 88,357,110,899,314.75/8,149,332.20
  6. Step 6: Final answer
    x = 10,842,251.70

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Double scale
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Similar ratio
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1.5x scale

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.