Home / 21,407,727.38-29,542,678.97-11,618,169.26

Finding the Fourth Proportional to 21,407,727.38, 29,542,678.97 and 11,618,169.26

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Solution

The fourth proportional to 21,407,727.38, 29,542,678.97 and 11,618,169.26 is: 16,033,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407,727.38 : 29,542,678.97 = 11,618,169.26 : x
  2. Step 2: Convert to fraction form
    21,407,727.38/29,542,678.97 = 11,618,169.26/x
  3. Step 3: Cross multiply
    21,407,727.38x = 29,542,678.97 × 11,618,169.26
  4. Step 4: Simplify right side
    21,407,727.38x = 343,231,844,461,498.25
  5. Step 5: Solve for x
    x = 343,231,844,461,498.25/21,407,727.38
  6. Step 6: Final answer
    x = 16,033,081.81

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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.