Home / 6,668,685.28-9,202,665.72-3,768,013.87

Finding the Fourth Proportional to 6,668,685.28, 9,202,665.72 and 3,768,013.87

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Solution

The fourth proportional to 6,668,685.28, 9,202,665.72 and 3,768,013.87 is: 5,199,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668,685.28 : 9,202,665.72 = 3,768,013.87 : x
  2. Step 2: Convert to fraction form
    6,668,685.28/9,202,665.72 = 3,768,013.87/x
  3. Step 3: Cross multiply
    6,668,685.28x = 9,202,665.72 × 3,768,013.87
  4. Step 4: Simplify right side
    6,668,685.28x = 34,675,772,073,933.54
  5. Step 5: Solve for x
    x = 34,675,772,073,933.54/6,668,685.28
  6. Step 6: Final answer
    x = 5,199,791.36

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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.