Home / 14,969,255.56-20,657,452.46-8,690,365.56

Finding the Fourth Proportional to 14,969,255.56, 20,657,452.46 and 8,690,365.56

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Solution

The fourth proportional to 14,969,255.56, 20,657,452.46 and 8,690,365.56 is: 11,992,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,255.56 : 20,657,452.46 = 8,690,365.56 : x
  2. Step 2: Convert to fraction form
    14,969,255.56/20,657,452.46 = 8,690,365.56/x
  3. Step 3: Cross multiply
    14,969,255.56x = 20,657,452.46 × 8,690,365.56
  4. Step 4: Simplify right side
    14,969,255.56x = 179,520,813,415,721.28
  5. Step 5: Solve for x
    x = 179,520,813,415,721.28/14,969,255.56
  6. Step 6: Final answer
    x = 11,992,634.68

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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.