Home / 18,974,073.20-28,489,454.04-18,690,638

Finding the Fourth Proportional to 18,974,073.20, 28,489,454.04 and 18,690,638

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Solution

The fourth proportional to 18,974,073.20, 28,489,454.04 and 18,690,638 is: 28,063,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974,073.20 : 28,489,454.04 = 18,690,638 : x
  2. Step 2: Convert to fraction form
    18,974,073.20/28,489,454.04 = 18,690,638/x
  3. Step 3: Cross multiply
    18,974,073.20x = 28,489,454.04 × 18,690,638
  4. Step 4: Simplify right side
    18,974,073.20x = 532,486,072,279,277.50
  5. Step 5: Solve for x
    x = 532,486,072,279,277.50/18,974,073.20
  6. Step 6: Final answer
    x = 28,063,877.83

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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.