Home / 18,844,463.42-25,998,737.06-12,321,910.88

Finding the Fourth Proportional to 18,844,463.42, 25,998,737.06 and 12,321,910.88

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Solution

The fourth proportional to 18,844,463.42, 25,998,737.06 and 12,321,910.88 is: 16,999,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,463.42 : 25,998,737.06 = 12,321,910.88 : x
  2. Step 2: Convert to fraction form
    18,844,463.42/25,998,737.06 = 12,321,910.88/x
  3. Step 3: Cross multiply
    18,844,463.42x = 25,998,737.06 × 12,321,910.88
  4. Step 4: Simplify right side
    18,844,463.42x = 320,354,121,117,288
  5. Step 5: Solve for x
    x = 320,354,121,117,288/18,844,463.42
  6. Step 6: Final answer
    x = 16,999,906.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.