Home / 7,131,964.80-9,839,717.76-4,074,013.92

Finding the Fourth Proportional to 7,131,964.80, 9,839,717.76 and 4,074,013.92

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Solution

The fourth proportional to 7,131,964.80, 9,839,717.76 and 4,074,013.92 is: 5,620,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,964.80 : 9,839,717.76 = 4,074,013.92 : x
  2. Step 2: Convert to fraction form
    7,131,964.80/9,839,717.76 = 4,074,013.92/x
  3. Step 3: Cross multiply
    7,131,964.80x = 9,839,717.76 × 4,074,013.92
  4. Step 4: Simplify right side
    7,131,964.80x = 40,087,147,123,111.22
  5. Step 5: Solve for x
    x = 40,087,147,123,111.22/7,131,964.80
  6. Step 6: Final answer
    x = 5,620,771.87

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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.