Home / 18,145,631.55-27,218,447.33-12,397,612.35

Finding the Fourth Proportional to 18,145,631.55, 27,218,447.33 and 12,397,612.35

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Solution

The fourth proportional to 18,145,631.55, 27,218,447.33 and 12,397,612.35 is: 18,596,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,631.55 : 27,218,447.33 = 12,397,612.35 : x
  2. Step 2: Convert to fraction form
    18,145,631.55/27,218,447.33 = 12,397,612.35/x
  3. Step 3: Cross multiply
    18,145,631.55x = 27,218,447.33 × 12,397,612.35
  4. Step 4: Simplify right side
    18,145,631.55x = 337,443,758,704,244.44
  5. Step 5: Solve for x
    x = 337,443,758,704,244.44/18,145,631.55
  6. Step 6: Final answer
    x = 18,596,418.53

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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.