Home / 21,995,854.38-30,354,609.20-12,206,932.56

Finding the Fourth Proportional to 21,995,854.38, 30,354,609.20 and 12,206,932.56

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Solution

The fourth proportional to 21,995,854.38, 30,354,609.20 and 12,206,932.56 is: 16,845,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995,854.38 : 30,354,609.20 = 12,206,932.56 : x
  2. Step 2: Convert to fraction form
    21,995,854.38/30,354,609.20 = 12,206,932.56/x
  3. Step 3: Cross multiply
    21,995,854.38x = 30,354,609.20 × 12,206,932.56
  4. Step 4: Simplify right side
    21,995,854.38x = 370,536,667,328,520.94
  5. Step 5: Solve for x
    x = 370,536,667,328,520.94/21,995,854.38
  6. Step 6: Final answer
    x = 16,845,750.15

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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.