Home / 7,207,097.38-9,945,795.40-3,943,912.88

Finding the Fourth Proportional to 7,207,097.38, 9,945,795.40 and 3,943,912.88

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Solution

The fourth proportional to 7,207,097.38, 9,945,795.40 and 3,943,912.88 is: 5,442,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,097.38 : 9,945,795.40 = 3,943,912.88 : x
  2. Step 2: Convert to fraction form
    7,207,097.38/9,945,795.40 = 3,943,912.88/x
  3. Step 3: Cross multiply
    7,207,097.38x = 9,945,795.40 × 3,943,912.88
  4. Step 4: Simplify right side
    7,207,097.38x = 39,225,350,594,909.46
  5. Step 5: Solve for x
    x = 39,225,350,594,909.46/7,207,097.38
  6. Step 6: Final answer
    x = 5,442,600.33

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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.