Home / 22,378,874.88-30,882,801.60-12,589,325.76

Finding the Fourth Proportional to 22,378,874.88, 30,882,801.60 and 12,589,325.76

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Solution

The fourth proportional to 22,378,874.88, 30,882,801.60 and 12,589,325.76 is: 17,373,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378,874.88 : 30,882,801.60 = 12,589,325.76 : x
  2. Step 2: Convert to fraction form
    22,378,874.88/30,882,801.60 = 12,589,325.76/x
  3. Step 3: Cross multiply
    22,378,874.88x = 30,882,801.60 × 12,589,325.76
  4. Step 4: Simplify right side
    22,378,874.88x = 388,793,649,723,849.25
  5. Step 5: Solve for x
    x = 388,793,649,723,849.25/22,378,874.88
  6. Step 6: Final answer
    x = 17,373,243.82

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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.