Home / 7,474,711.20-11,212,066.80-5,981,719.20

Finding the Fourth Proportional to 7,474,711.20, 11,212,066.80 and 5,981,719.20

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Solution

The fourth proportional to 7,474,711.20, 11,212,066.80 and 5,981,719.20 is: 8,972,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,711.20 : 11,212,066.80 = 5,981,719.20 : x
  2. Step 2: Convert to fraction form
    7,474,711.20/11,212,066.80 = 5,981,719.20/x
  3. Step 3: Cross multiply
    7,474,711.20x = 11,212,066.80 × 5,981,719.20
  4. Step 4: Simplify right side
    7,474,711.20x = 67,067,435,249,242.57
  5. Step 5: Solve for x
    x = 67,067,435,249,242.57/7,474,711.20
  6. Step 6: Final answer
    x = 8,972,578.80

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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.