Home / 40,221,520.20-60,363,773.10-18,658,793.70

Finding the Fourth Proportional to 40,221,520.20, 60,363,773.10 and 18,658,793.70

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Solution

The fourth proportional to 40,221,520.20, 60,363,773.10 and 18,658,793.70 is: 28,002,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221,520.20 : 60,363,773.10 = 18,658,793.70 : x
  2. Step 2: Convert to fraction form
    40,221,520.20/60,363,773.10 = 18,658,793.70/x
  3. Step 3: Cross multiply
    40,221,520.20x = 60,363,773.10 × 18,658,793.70
  4. Step 4: Simplify right side
    40,221,520.20x = 1,126,315,189,226,509.50
  5. Step 5: Solve for x
    x = 1,126,315,189,226,509.50/40,221,520.20
  6. Step 6: Final answer
    x = 28,002,800.08

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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.