Home / 18,149,469.73-25,017,906.92-12,338,162.39

Finding the Fourth Proportional to 18,149,469.73, 25,017,906.92 and 12,338,162.39

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Solution

The fourth proportional to 18,149,469.73, 25,017,906.92 and 12,338,162.39 is: 17,007,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149,469.73 : 25,017,906.92 = 12,338,162.39 : x
  2. Step 2: Convert to fraction form
    18,149,469.73/25,017,906.92 = 12,338,162.39/x
  3. Step 3: Cross multiply
    18,149,469.73x = 25,017,906.92 × 12,338,162.39
  4. Step 4: Simplify right side
    18,149,469.73x = 308,674,998,237,718.69
  5. Step 5: Solve for x
    x = 308,674,998,237,718.69/18,149,469.73
  6. Step 6: Final answer
    x = 17,007,383.84

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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.