Home / 13,690,099.26-18,901,249.95-8,797,206.78

Finding the Fourth Proportional to 13,690,099.26, 18,901,249.95 and 8,797,206.78

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Solution

The fourth proportional to 13,690,099.26, 18,901,249.95 and 8,797,206.78 is: 12,145,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,099.26 : 18,901,249.95 = 8,797,206.78 : x
  2. Step 2: Convert to fraction form
    13,690,099.26/18,901,249.95 = 8,797,206.78/x
  3. Step 3: Cross multiply
    13,690,099.26x = 18,901,249.95 × 8,797,206.78
  4. Step 4: Simplify right side
    13,690,099.26x = 166,278,204,210,614.66
  5. Step 5: Solve for x
    x = 166,278,204,210,614.66/13,690,099.26
  6. Step 6: Final answer
    x = 12,145,872.80

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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.