Home / 7,207,098.38-9,945,796.78-3,943,913.88

Finding the Fourth Proportional to 7,207,098.38, 9,945,796.78 and 3,943,913.88

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Solution

The fourth proportional to 7,207,098.38, 9,945,796.78 and 3,943,913.88 is: 5,442,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,098.38 : 9,945,796.78 = 3,943,913.88 : x
  2. Step 2: Convert to fraction form
    7,207,098.38/9,945,796.78 = 3,943,913.88/x
  3. Step 3: Cross multiply
    7,207,098.38x = 9,945,796.78 × 3,943,913.88
  4. Step 4: Simplify right side
    7,207,098.38x = 39,225,365,968,301.30
  5. Step 5: Solve for x
    x = 39,225,365,968,301.30/7,207,098.38
  6. Step 6: Final answer
    x = 5,442,601.71

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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.