Home / 7,204,397.54-9,942,147.10-3,941,142.20

Finding the Fourth Proportional to 7,204,397.54, 9,942,147.10 and 3,941,142.20

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Solution

The fourth proportional to 7,204,397.54, 9,942,147.10 and 3,941,142.20 is: 5,438,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,397.54 : 9,942,147.10 = 3,941,142.20 : x
  2. Step 2: Convert to fraction form
    7,204,397.54/9,942,147.10 = 3,941,142.20/x
  3. Step 3: Cross multiply
    7,204,397.54x = 9,942,147.10 × 3,941,142.20
  4. Step 4: Simplify right side
    7,204,397.54x = 39,183,415,494,417.62
  5. Step 5: Solve for x
    x = 39,183,415,494,417.62/7,204,397.54
  6. Step 6: Final answer
    x = 5,438,819.18

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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.