Home / 11,167,999.20-16,751,998.80-3,987,640.80

Finding the Fourth Proportional to 11,167,999.20, 16,751,998.80 and 3,987,640.80

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Solution

The fourth proportional to 11,167,999.20, 16,751,998.80 and 3,987,640.80 is: 5,981,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167,999.20 : 16,751,998.80 = 3,987,640.80 : x
  2. Step 2: Convert to fraction form
    11,167,999.20/16,751,998.80 = 3,987,640.80/x
  3. Step 3: Cross multiply
    11,167,999.20x = 16,751,998.80 × 3,987,640.80
  4. Step 4: Simplify right side
    11,167,999.20x = 66,800,953,896,431.04
  5. Step 5: Solve for x
    x = 66,800,953,896,431.04/11,167,999.20
  6. Step 6: Final answer
    x = 5,981,461.20

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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.