Home / 20,107,024.20-30,161,702.70-5,731,144.20

Finding the Fourth Proportional to 20,107,024.20, 30,161,702.70 and 5,731,144.20

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Solution

The fourth proportional to 20,107,024.20, 30,161,702.70 and 5,731,144.20 is: 8,597,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,107,024.20 : 30,161,702.70 = 5,731,144.20 : x
  2. Step 2: Convert to fraction form
    20,107,024.20/30,161,702.70 = 5,731,144.20/x
  3. Step 3: Cross multiply
    20,107,024.20x = 30,161,702.70 × 5,731,144.20
  4. Step 4: Simplify right side
    20,107,024.20x = 172,861,067,491,229.34
  5. Step 5: Solve for x
    x = 172,861,067,491,229.34/20,107,024.20
  6. Step 6: Final answer
    x = 8,597,048.76

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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.