Home / 8,272,655.20-12,419,091.60-4,680,920.80

Finding the Fourth Proportional to 8,272,655.20, 12,419,091.60 and 4,680,920.80

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Solution

The fourth proportional to 8,272,655.20, 12,419,091.60 and 4,680,920.80 is: 7,027,101.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,655.20 : 12,419,091.60 = 4,680,920.80 : x
  2. Step 2: Convert to fraction form
    8,272,655.20/12,419,091.60 = 4,680,920.80/x
  3. Step 3: Cross multiply
    8,272,655.20x = 12,419,091.60 × 4,680,920.80
  4. Step 4: Simplify right side
    8,272,655.20x = 58,132,784,187,545.27
  5. Step 5: Solve for x
    x = 58,132,784,187,545.27/8,272,655.20
  6. Step 6: Final answer
    x = 7,027,101.07

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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.