Home / 9,188,142.80-13,747,585.46-5,481,458.69

Finding the Fourth Proportional to 9,188,142.80, 13,747,585.46 and 5,481,458.69

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Solution

The fourth proportional to 9,188,142.80, 13,747,585.46 and 5,481,458.69 is: 8,201,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188,142.80 : 13,747,585.46 = 5,481,458.69 : x
  2. Step 2: Convert to fraction form
    9,188,142.80/13,747,585.46 = 5,481,458.69/x
  3. Step 3: Cross multiply
    9,188,142.80x = 13,747,585.46 × 5,481,458.69
  4. Step 4: Simplify right side
    9,188,142.80x = 75,356,821,690,089.42
  5. Step 5: Solve for x
    x = 75,356,821,690,089.42/9,188,142.80
  6. Step 6: Final answer
    x = 8,201,529.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.