Home / 8,511,028.20-12,766,542.30-4,251,853.80

Finding the Fourth Proportional to 8,511,028.20, 12,766,542.30 and 4,251,853.80

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Solution

The fourth proportional to 8,511,028.20, 12,766,542.30 and 4,251,853.80 is: 6,377,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,028.20 : 12,766,542.30 = 4,251,853.80 : x
  2. Step 2: Convert to fraction form
    8,511,028.20/12,766,542.30 = 4,251,853.80/x
  3. Step 3: Cross multiply
    8,511,028.20x = 12,766,542.30 × 4,251,853.80
  4. Step 4: Simplify right side
    8,511,028.20x = 54,281,471,391,115.74
  5. Step 5: Solve for x
    x = 54,281,471,391,115.74/8,511,028.20
  6. Step 6: Final answer
    x = 6,377,780.70

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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.