Home / 8,491,874.20-12,738,705.54-4,897,560.76

Finding the Fourth Proportional to 8,491,874.20, 12,738,705.54 and 4,897,560.76

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Solution

The fourth proportional to 8,491,874.20, 12,738,705.54 and 4,897,560.76 is: 7,346,856.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,874.20 : 12,738,705.54 = 4,897,560.76 : x
  2. Step 2: Convert to fraction form
    8,491,874.20/12,738,705.54 = 4,897,560.76/x
  3. Step 3: Cross multiply
    8,491,874.20x = 12,738,705.54 × 4,897,560.76
  4. Step 4: Simplify right side
    8,491,874.20x = 62,388,584,385,898.60
  5. Step 5: Solve for x
    x = 62,388,584,385,898.60/8,491,874.20
  6. Step 6: Final answer
    x = 7,346,856.88

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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.