Home / 18,144,713.70-27,217,070.55-13,665,737.70

Finding the Fourth Proportional to 18,144,713.70, 27,217,070.55 and 13,665,737.70

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Solution

The fourth proportional to 18,144,713.70, 27,217,070.55 and 13,665,737.70 is: 20,498,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,713.70 : 27,217,070.55 = 13,665,737.70 : x
  2. Step 2: Convert to fraction form
    18,144,713.70/27,217,070.55 = 13,665,737.70/x
  3. Step 3: Cross multiply
    18,144,713.70x = 27,217,070.55 × 13,665,737.70
  4. Step 4: Simplify right side
    18,144,713.70x = 371,941,347,098,694.75
  5. Step 5: Solve for x
    x = 371,941,347,098,694.75/18,144,713.70
  6. Step 6: Final answer
    x = 20,498,606.55

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1.5x scale

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.