Home / 20,313,516.75-30,469,922.16-8,182,670.10

Finding the Fourth Proportional to 20,313,516.75, 30,469,922.16 and 8,182,670.10

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Solution

The fourth proportional to 20,313,516.75, 30,469,922.16 and 8,182,670.10 is: 12,273,862.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,516.75 : 30,469,922.16 = 8,182,670.10 : x
  2. Step 2: Convert to fraction form
    20,313,516.75/30,469,922.16 = 8,182,670.10/x
  3. Step 3: Cross multiply
    20,313,516.75x = 30,469,922.16 × 8,182,670.10
  4. Step 4: Simplify right side
    20,313,516.75x = 249,325,321,007,959.41
  5. Step 5: Solve for x
    x = 249,325,321,007,959.41/20,313,516.75
  6. Step 6: Final answer
    x = 12,273,862.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.