Home / 20,732,033.10-31,098,049.66-9,947,498.70

Finding the Fourth Proportional to 20,732,033.10, 31,098,049.66 and 9,947,498.70

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Solution

The fourth proportional to 20,732,033.10, 31,098,049.66 and 9,947,498.70 is: 14,921,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,033.10 : 31,098,049.66 = 9,947,498.70 : x
  2. Step 2: Convert to fraction form
    20,732,033.10/31,098,049.66 = 9,947,498.70/x
  3. Step 3: Cross multiply
    20,732,033.10x = 31,098,049.66 × 9,947,498.70
  4. Step 4: Simplify right side
    20,732,033.10x = 309,347,808,565,385.44
  5. Step 5: Solve for x
    x = 309,347,808,565,385.44/20,732,033.10
  6. Step 6: Final answer
    x = 14,921,248.05

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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.