Home / 16,786,979.70-25,180,469.55-12,755,901.30

Finding the Fourth Proportional to 16,786,979.70, 25,180,469.55 and 12,755,901.30

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Solution

The fourth proportional to 16,786,979.70, 25,180,469.55 and 12,755,901.30 is: 19,133,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786,979.70 : 25,180,469.55 = 12,755,901.30 : x
  2. Step 2: Convert to fraction form
    16,786,979.70/25,180,469.55 = 12,755,901.30/x
  3. Step 3: Cross multiply
    16,786,979.70x = 25,180,469.55 × 12,755,901.30
  4. Step 4: Simplify right side
    16,786,979.70x = 321,199,584,267,455.44
  5. Step 5: Solve for x
    x = 321,199,584,267,455.44/16,786,979.70
  6. Step 6: Final answer
    x = 19,133,851.95

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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.