Home / 18,376,912.80-27,565,369.20-11,952,381.60

Finding the Fourth Proportional to 18,376,912.80, 27,565,369.20 and 11,952,381.60

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Solution

The fourth proportional to 18,376,912.80, 27,565,369.20 and 11,952,381.60 is: 17,928,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,912.80 : 27,565,369.20 = 11,952,381.60 : x
  2. Step 2: Convert to fraction form
    18,376,912.80/27,565,369.20 = 11,952,381.60/x
  3. Step 3: Cross multiply
    18,376,912.80x = 27,565,369.20 × 11,952,381.60
  4. Step 4: Simplify right side
    18,376,912.80x = 329,471,811,623,286.69
  5. Step 5: Solve for x
    x = 329,471,811,623,286.69/18,376,912.80
  6. Step 6: Final answer
    x = 17,928,572.40

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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.