Home / 17,129,375.80-23,640,033.60-9,395,912.78

Finding the Fourth Proportional to 17,129,375.80, 23,640,033.60 and 9,395,912.78

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Solution

The fourth proportional to 17,129,375.80, 23,640,033.60 and 9,395,912.78 is: 12,967,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129,375.80 : 23,640,033.60 = 9,395,912.78 : x
  2. Step 2: Convert to fraction form
    17,129,375.80/23,640,033.60 = 9,395,912.78/x
  3. Step 3: Cross multiply
    17,129,375.80x = 23,640,033.60 × 9,395,912.78
  4. Step 4: Simplify right side
    17,129,375.80x = 222,119,693,821,869.41
  5. Step 5: Solve for x
    x = 222,119,693,821,869.41/17,129,375.80
  6. Step 6: Final answer
    x = 12,967,179.68

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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.