Home / 28,145,910.97-42,246,100.20-13,583,082.07

Finding the Fourth Proportional to 28,145,910.97, 42,246,100.20 and 13,583,082.07

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Solution

The fourth proportional to 28,145,910.97, 42,246,100.20 and 13,583,082.07 is: 20,387,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145,910.97 : 42,246,100.20 = 13,583,082.07 : x
  2. Step 2: Convert to fraction form
    28,145,910.97/42,246,100.20 = 13,583,082.07/x
  3. Step 3: Cross multiply
    28,145,910.97x = 42,246,100.20 × 13,583,082.07
  4. Step 4: Simplify right side
    28,145,910.97x = 573,832,246,257,787.50
  5. Step 5: Solve for x
    x = 573,832,246,257,787.50/28,145,910.97
  6. Step 6: Final answer
    x = 20,387,765.98

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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.