Home / 18,144,872.70-27,217,309.05-8,067,176.70

Finding the Fourth Proportional to 18,144,872.70, 27,217,309.05 and 8,067,176.70

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Solution

The fourth proportional to 18,144,872.70, 27,217,309.05 and 8,067,176.70 is: 12,100,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,872.70 : 27,217,309.05 = 8,067,176.70 : x
  2. Step 2: Convert to fraction form
    18,144,872.70/27,217,309.05 = 8,067,176.70/x
  3. Step 3: Cross multiply
    18,144,872.70x = 27,217,309.05 × 8,067,176.70
  4. Step 4: Simplify right side
    18,144,872.70x = 219,566,841,404,859.16
  5. Step 5: Solve for x
    x = 219,566,841,404,859.16/18,144,872.70
  6. Step 6: Final answer
    x = 12,100,765.05

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1.5x scale

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.