Home / 14,471,751.92-19,970,122.90-7,945,344.79

Finding the Fourth Proportional to 14,471,751.92, 19,970,122.90 and 7,945,344.79

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Solution

The fourth proportional to 14,471,751.92, 19,970,122.90 and 7,945,344.79 is: 10,964,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471,751.92 : 19,970,122.90 = 7,945,344.79 : x
  2. Step 2: Convert to fraction form
    14,471,751.92/19,970,122.90 = 7,945,344.79/x
  3. Step 3: Cross multiply
    14,471,751.92x = 19,970,122.90 × 7,945,344.79
  4. Step 4: Simplify right side
    14,471,751.92x = 158,669,511,899,447.97
  5. Step 5: Solve for x
    x = 158,669,511,899,447.97/14,471,751.92
  6. Step 6: Final answer
    x = 10,964,084.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.