Home / 15,517,375.95-21,416,584.64-8,995,085.31

Finding the Fourth Proportional to 15,517,375.95, 21,416,584.64 and 8,995,085.31

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Solution

The fourth proportional to 15,517,375.95, 21,416,584.64 and 8,995,085.31 is: 12,414,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,375.95 : 21,416,584.64 = 8,995,085.31 : x
  2. Step 2: Convert to fraction form
    15,517,375.95/21,416,584.64 = 8,995,085.31/x
  3. Step 3: Cross multiply
    15,517,375.95x = 21,416,584.64 × 8,995,085.31
  4. Step 4: Simplify right side
    15,517,375.95x = 192,644,005,840,660.25
  5. Step 5: Solve for x
    x = 192,644,005,840,660.25/15,517,375.95
  6. Step 6: Final answer
    x = 12,414,728.27

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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.