Home / 18,899,072.85-28,325,578.55-9,796,151.91

Finding the Fourth Proportional to 18,899,072.85, 28,325,578.55 and 9,796,151.91

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Solution

The fourth proportional to 18,899,072.85, 28,325,578.55 and 9,796,151.91 is: 14,682,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899,072.85 : 28,325,578.55 = 9,796,151.91 : x
  2. Step 2: Convert to fraction form
    18,899,072.85/28,325,578.55 = 9,796,151.91/x
  3. Step 3: Cross multiply
    18,899,072.85x = 28,325,578.55 × 9,796,151.91
  4. Step 4: Simplify right side
    18,899,072.85x = 277,481,670,365,456.78
  5. Step 5: Solve for x
    x = 277,481,670,365,456.78/18,899,072.85
  6. Step 6: Final answer
    x = 14,682,290.11

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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.