Home / 13,900,526.10-20,850,789.15-3,665,366.10

Finding the Fourth Proportional to 13,900,526.10, 20,850,789.15 and 3,665,366.10

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Solution

The fourth proportional to 13,900,526.10, 20,850,789.15 and 3,665,366.10 is: 5,498,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,526.10 : 20,850,789.15 = 3,665,366.10 : x
  2. Step 2: Convert to fraction form
    13,900,526.10/20,850,789.15 = 3,665,366.10/x
  3. Step 3: Cross multiply
    13,900,526.10x = 20,850,789.15 × 3,665,366.10
  4. Step 4: Simplify right side
    13,900,526.10x = 76,425,775,708,657.81
  5. Step 5: Solve for x
    x = 76,425,775,708,657.81/13,900,526.10
  6. Step 6: Final answer
    x = 5,498,049.15

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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.