Home / 13,432,934.70-20,149,402.05-7,750,233.90

Finding the Fourth Proportional to 13,432,934.70, 20,149,402.05 and 7,750,233.90

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Solution

The fourth proportional to 13,432,934.70, 20,149,402.05 and 7,750,233.90 is: 11,625,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432,934.70 : 20,149,402.05 = 7,750,233.90 : x
  2. Step 2: Convert to fraction form
    13,432,934.70/20,149,402.05 = 7,750,233.90/x
  3. Step 3: Cross multiply
    13,432,934.70x = 20,149,402.05 × 7,750,233.90
  4. Step 4: Simplify right side
    13,432,934.70x = 156,162,578,832,639.50
  5. Step 5: Solve for x
    x = 156,162,578,832,639.50/13,432,934.70
  6. Step 6: Final answer
    x = 11,625,350.85

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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.