Home / 8,239,819.20-12,359,751.84-2,560,873.92

Finding the Fourth Proportional to 8,239,819.20, 12,359,751.84 and 2,560,873.92

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Solution

The fourth proportional to 8,239,819.20, 12,359,751.84 and 2,560,873.92 is: 3,841,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,819.20 : 12,359,751.84 = 2,560,873.92 : x
  2. Step 2: Convert to fraction form
    8,239,819.20/12,359,751.84 = 2,560,873.92/x
  3. Step 3: Cross multiply
    8,239,819.20x = 12,359,751.84 × 2,560,873.92
  4. Step 4: Simplify right side
    8,239,819.20x = 31,651,766,144,728.01
  5. Step 5: Solve for x
    x = 31,651,766,144,728.01/8,239,819.20
  6. Step 6: Final answer
    x = 3,841,318.04

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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.