Home / 20,198,548.40-27,874,684.60-11,945,685.20

Finding the Fourth Proportional to 20,198,548.40, 27,874,684.60 and 11,945,685.20

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Solution

The fourth proportional to 20,198,548.40, 27,874,684.60 and 11,945,685.20 is: 16,485,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,548.40 : 27,874,684.60 = 11,945,685.20 : x
  2. Step 2: Convert to fraction form
    20,198,548.40/27,874,684.60 = 11,945,685.20/x
  3. Step 3: Cross multiply
    20,198,548.40x = 27,874,684.60 × 11,945,685.20
  4. Step 4: Simplify right side
    20,198,548.40x = 332,982,207,280,887.94
  5. Step 5: Solve for x
    x = 332,982,207,280,887.94/20,198,548.40
  6. Step 6: Final answer
    x = 16,485,452.35

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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.