Home / 28,451,549.76-42,675,819.12-7,982,694.24

Finding the Fourth Proportional to 28,451,549.76, 42,675,819.12 and 7,982,694.24

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Solution

The fourth proportional to 28,451,549.76, 42,675,819.12 and 7,982,694.24 is: 11,973,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451,549.76 : 42,675,819.12 = 7,982,694.24 : x
  2. Step 2: Convert to fraction form
    28,451,549.76/42,675,819.12 = 7,982,694.24/x
  3. Step 3: Cross multiply
    28,451,549.76x = 42,675,819.12 × 7,982,694.24
  4. Step 4: Simplify right side
    28,451,549.76x = 340,668,015,476,505.88
  5. Step 5: Solve for x
    x = 340,668,015,476,505.88/28,451,549.76
  6. Step 6: Final answer
    x = 11,973,618.95

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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.