Home / 12,153,286.34-18,211,293.01-8,257,782.24

Finding the Fourth Proportional to 12,153,286.34, 18,211,293.01 and 8,257,782.24

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Solution

The fourth proportional to 12,153,286.34, 18,211,293.01 and 8,257,782.24 is: 12,374,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153,286.34 : 18,211,293.01 = 8,257,782.24 : x
  2. Step 2: Convert to fraction form
    12,153,286.34/18,211,293.01 = 8,257,782.24/x
  3. Step 3: Cross multiply
    12,153,286.34x = 18,211,293.01 × 8,257,782.24
  4. Step 4: Simplify right side
    12,153,286.34x = 150,384,891,944,517.12
  5. Step 5: Solve for x
    x = 150,384,891,944,517.12/12,153,286.34
  6. Step 6: Final answer
    x = 12,374,010.43

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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.