Home / 20,455,781.40-30,726,187.38-16,225,511.04

Finding the Fourth Proportional to 20,455,781.40, 30,726,187.38 and 16,225,511.04

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Solution

The fourth proportional to 20,455,781.40, 30,726,187.38 and 16,225,511.04 is: 24,371,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455,781.40 : 30,726,187.38 = 16,225,511.04 : x
  2. Step 2: Convert to fraction form
    20,455,781.40/30,726,187.38 = 16,225,511.04/x
  3. Step 3: Cross multiply
    20,455,781.40x = 30,726,187.38 × 16,225,511.04
  4. Step 4: Simplify right side
    20,455,781.40x = 498,548,092,551,298.62
  5. Step 5: Solve for x
    x = 498,548,092,551,298.62/20,455,781.40
  6. Step 6: Final answer
    x = 24,371,989.65

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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.