Home / 9,981,911.47-13,775,079.33-5,398,232.85

Finding the Fourth Proportional to 9,981,911.47, 13,775,079.33 and 5,398,232.85

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Solution

The fourth proportional to 9,981,911.47, 13,775,079.33 and 5,398,232.85 is: 7,449,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,911.47 : 13,775,079.33 = 5,398,232.85 : x
  2. Step 2: Convert to fraction form
    9,981,911.47/13,775,079.33 = 5,398,232.85/x
  3. Step 3: Cross multiply
    9,981,911.47x = 13,775,079.33 × 5,398,232.85
  4. Step 4: Simplify right side
    9,981,911.47x = 74,361,085,750,561.98
  5. Step 5: Solve for x
    x = 74,361,085,750,561.98/9,981,911.47
  6. Step 6: Final answer
    x = 7,449,583.78

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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.