Home / 18,145,781.70-27,218,672.55-17,263,983.30

Finding the Fourth Proportional to 18,145,781.70, 27,218,672.55 and 17,263,983.30

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Solution

The fourth proportional to 18,145,781.70, 27,218,672.55 and 17,263,983.30 is: 25,895,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,781.70 : 27,218,672.55 = 17,263,983.30 : x
  2. Step 2: Convert to fraction form
    18,145,781.70/27,218,672.55 = 17,263,983.30/x
  3. Step 3: Cross multiply
    18,145,781.70x = 27,218,672.55 × 17,263,983.30
  4. Step 4: Simplify right side
    18,145,781.70x = 469,902,708,351,368.44
  5. Step 5: Solve for x
    x = 469,902,708,351,368.44/18,145,781.70
  6. Step 6: Final answer
    x = 25,895,974.95

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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.