Home / 18,144,624.30-27,179,611.65-12,471,254.70

Finding the Fourth Proportional to 18,144,624.30, 27,179,611.65 and 12,471,254.70

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Solution

The fourth proportional to 18,144,624.30, 27,179,611.65 and 12,471,254.70 is: 18,681,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,624.30 : 27,179,611.65 = 12,471,254.70 : x
  2. Step 2: Convert to fraction form
    18,144,624.30/27,179,611.65 = 12,471,254.70/x
  3. Step 3: Cross multiply
    18,144,624.30x = 27,179,611.65 × 12,471,254.70
  4. Step 4: Simplify right side
    18,144,624.30x = 338,963,859,534,237.19
  5. Step 5: Solve for x
    x = 338,963,859,534,237.19/18,144,624.30
  6. Step 6: Final answer
    x = 18,681,227.78

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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.