Home / 20,843,761.92-31,219,447.68-16,015,914.24

Finding the Fourth Proportional to 20,843,761.92, 31,219,447.68 and 16,015,914.24

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Solution

The fourth proportional to 20,843,761.92, 31,219,447.68 and 16,015,914.24 is: 23,988,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843,761.92 : 31,219,447.68 = 16,015,914.24 : x
  2. Step 2: Convert to fraction form
    20,843,761.92/31,219,447.68 = 16,015,914.24/x
  3. Step 3: Cross multiply
    20,843,761.92x = 31,219,447.68 × 16,015,914.24
  4. Step 4: Simplify right side
    20,843,761.92x = 500,007,996,663,046.94
  5. Step 5: Solve for x
    x = 500,007,996,663,046.94/20,843,761.92
  6. Step 6: Final answer
    x = 23,988,375.93

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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.