Home / 12,218,986.97-18,336,049.18-7,103,824.29

Finding the Fourth Proportional to 12,218,986.97, 18,336,049.18 and 7,103,824.29

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Solution

The fourth proportional to 12,218,986.97, 18,336,049.18 and 7,103,824.29 is: 10,660,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,986.97 : 18,336,049.18 = 7,103,824.29 : x
  2. Step 2: Convert to fraction form
    12,218,986.97/18,336,049.18 = 7,103,824.29/x
  3. Step 3: Cross multiply
    12,218,986.97x = 18,336,049.18 × 7,103,824.29
  4. Step 4: Simplify right side
    12,218,986.97x = 130,256,071,455,838.34
  5. Step 5: Solve for x
    x = 130,256,071,455,838.34/12,218,986.97
  6. Step 6: Final answer
    x = 10,660,136.71

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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.