Home / 12,112,694.55-18,149,764.53-8,476,309.56

Finding the Fourth Proportional to 12,112,694.55, 18,149,764.53 and 8,476,309.56

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Solution

The fourth proportional to 12,112,694.55, 18,149,764.53 and 8,476,309.56 is: 12,700,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112,694.55 : 18,149,764.53 = 8,476,309.56 : x
  2. Step 2: Convert to fraction form
    12,112,694.55/18,149,764.53 = 8,476,309.56/x
  3. Step 3: Cross multiply
    12,112,694.55x = 18,149,764.53 × 8,476,309.56
  4. Step 4: Simplify right side
    12,112,694.55x = 153,843,022,597,387.94
  5. Step 5: Solve for x
    x = 153,843,022,597,387.94/12,112,694.55
  6. Step 6: Final answer
    x = 12,700,974.33

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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.