Home / 20,680,589.11-31,024,251.65-6,108,987.19

Finding the Fourth Proportional to 20,680,589.11, 31,024,251.65 and 6,108,987.19

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Solution

The fourth proportional to 20,680,589.11, 31,024,251.65 and 6,108,987.19 is: 9,164,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680,589.11 : 31,024,251.65 = 6,108,987.19 : x
  2. Step 2: Convert to fraction form
    20,680,589.11/31,024,251.65 = 6,108,987.19/x
  3. Step 3: Cross multiply
    20,680,589.11x = 31,024,251.65 × 6,108,987.19
  4. Step 4: Simplify right side
    20,680,589.11x = 189,526,755,909,186.38
  5. Step 5: Solve for x
    x = 189,526,755,909,186.38/20,680,589.11
  6. Step 6: Final answer
    x = 9,164,475.68

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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.