Home / 28,508,013.21-39,373,535.11-19,324,712.73

Finding the Fourth Proportional to 28,508,013.21, 39,373,535.11 and 19,324,712.73

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Solution

The fourth proportional to 28,508,013.21, 39,373,535.11 and 19,324,712.73 is: 26,690,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,013.21 : 39,373,535.11 = 19,324,712.73 : x
  2. Step 2: Convert to fraction form
    28,508,013.21/39,373,535.11 = 19,324,712.73/x
  3. Step 3: Cross multiply
    28,508,013.21x = 39,373,535.11 × 19,324,712.73
  4. Step 4: Simplify right side
    28,508,013.21x = 760,882,255,382,403.38
  5. Step 5: Solve for x
    x = 760,882,255,382,403.38/28,508,013.21
  6. Step 6: Final answer
    x = 26,690,118.66

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1.5x scale

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.