Home / 11,131,143.80-16,661,286.30-7,942,497.80

Finding the Fourth Proportional to 11,131,143.80, 16,661,286.30 and 7,942,497.80

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Solution

The fourth proportional to 11,131,143.80, 16,661,286.30 and 7,942,497.80 is: 11,888,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131,143.80 : 16,661,286.30 = 7,942,497.80 : x
  2. Step 2: Convert to fraction form
    11,131,143.80/16,661,286.30 = 7,942,497.80/x
  3. Step 3: Cross multiply
    11,131,143.80x = 16,661,286.30 × 7,942,497.80
  4. Step 4: Simplify right side
    11,131,143.80x = 132,332,229,782,920.14
  5. Step 5: Solve for x
    x = 132,332,229,782,920.14/11,131,143.80
  6. Step 6: Final answer
    x = 11,888,466.46

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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.