Home / 7,204,395.80-9,942,144.62-3,941,140.38

Finding the Fourth Proportional to 7,204,395.80, 9,942,144.62 and 3,941,140.38

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Solution

The fourth proportional to 7,204,395.80, 9,942,144.62 and 3,941,140.38 is: 5,438,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,395.80 : 9,942,144.62 = 3,941,140.38 : x
  2. Step 2: Convert to fraction form
    7,204,395.80/9,942,144.62 = 3,941,140.38/x
  3. Step 3: Cross multiply
    7,204,395.80x = 9,942,144.62 × 3,941,140.38
  4. Step 4: Simplify right side
    7,204,395.80x = 39,183,387,605,976.05
  5. Step 5: Solve for x
    x = 39,183,387,605,976.05/7,204,395.80
  6. Step 6: Final answer
    x = 5,438,816.62

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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.