Home / 20,744,039.20-31,053,073.20-18,476,557.60

Finding the Fourth Proportional to 20,744,039.20, 31,053,073.20 and 18,476,557.60

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Solution

The fourth proportional to 20,744,039.20, 31,053,073.20 and 18,476,557.60 is: 27,658,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744,039.20 : 31,053,073.20 = 18,476,557.60 : x
  2. Step 2: Convert to fraction form
    20,744,039.20/31,053,073.20 = 18,476,557.60/x
  3. Step 3: Cross multiply
    20,744,039.20x = 31,053,073.20 × 18,476,557.60
  4. Step 4: Simplify right side
    20,744,039.20x = 573,753,895,636,816.38
  5. Step 5: Solve for x
    x = 573,753,895,636,816.38/20,744,039.20
  6. Step 6: Final answer
    x = 27,658,735.61

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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.