Home / 12,614,839.30-17,416,040.38-8,271,502.38

Finding the Fourth Proportional to 12,614,839.30, 17,416,040.38 and 8,271,502.38

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Solution

The fourth proportional to 12,614,839.30, 17,416,040.38 and 8,271,502.38 is: 11,419,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614,839.30 : 17,416,040.38 = 8,271,502.38 : x
  2. Step 2: Convert to fraction form
    12,614,839.30/17,416,040.38 = 8,271,502.38/x
  3. Step 3: Cross multiply
    12,614,839.30x = 17,416,040.38 × 8,271,502.38
  4. Step 4: Simplify right side
    12,614,839.30x = 144,056,819,453,346.09
  5. Step 5: Solve for x
    x = 144,056,819,453,346.09/12,614,839.30
  6. Step 6: Final answer
    x = 11,419,631.75

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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.