Home / 15,188,759.58-20,959,680.78-8,311,913.04

Finding the Fourth Proportional to 15,188,759.58, 20,959,680.78 and 8,311,913.04

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Solution

The fourth proportional to 15,188,759.58, 20,959,680.78 and 8,311,913.04 is: 11,469,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188,759.58 : 20,959,680.78 = 8,311,913.04 : x
  2. Step 2: Convert to fraction form
    15,188,759.58/20,959,680.78 = 8,311,913.04/x
  3. Step 3: Cross multiply
    15,188,759.58x = 20,959,680.78 × 8,311,913.04
  4. Step 4: Simplify right side
    15,188,759.58x = 174,215,043,989,519.38
  5. Step 5: Solve for x
    x = 174,215,043,989,519.38/15,188,759.58
  6. Step 6: Final answer
    x = 11,469,998.13

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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.