Home / 38,383,191.62-52,962,885.47-21,861,209.90

Finding the Fourth Proportional to 38,383,191.62, 52,962,885.47 and 21,861,209.90

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Solution

The fourth proportional to 38,383,191.62, 52,962,885.47 and 21,861,209.90 is: 30,165,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383,191.62 : 52,962,885.47 = 21,861,209.90 : x
  2. Step 2: Convert to fraction form
    38,383,191.62/52,962,885.47 = 21,861,209.90/x
  3. Step 3: Cross multiply
    38,383,191.62x = 52,962,885.47 × 21,861,209.90
  4. Step 4: Simplify right side
    38,383,191.62x = 1,157,832,755,795,209.75
  5. Step 5: Solve for x
    x = 1,157,832,755,795,209.75/38,383,191.62
  6. Step 6: Final answer
    x = 30,165,098.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.