Home / 11,131,141.80-16,661,283.30-7,942,495.80

Finding the Fourth Proportional to 11,131,141.80, 16,661,283.30 and 7,942,495.80

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Solution

The fourth proportional to 11,131,141.80, 16,661,283.30 and 7,942,495.80 is: 11,888,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131,141.80 : 16,661,283.30 = 7,942,495.80 : x
  2. Step 2: Convert to fraction form
    11,131,141.80/16,661,283.30 = 7,942,495.80/x
  3. Step 3: Cross multiply
    11,131,141.80x = 16,661,283.30 × 7,942,495.80
  4. Step 4: Simplify right side
    11,131,141.80x = 132,332,172,632,860.14
  5. Step 5: Solve for x
    x = 132,332,172,632,860.14/11,131,141.80
  6. Step 6: Final answer
    x = 11,888,463.47

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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.