Home / 21,169,466.66-29,215,624.78-11,751,144.10

Finding the Fourth Proportional to 21,169,466.66, 29,215,624.78 and 11,751,144.10

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Solution

The fourth proportional to 21,169,466.66, 29,215,624.78 and 11,751,144.10 is: 16,217,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169,466.66 : 29,215,624.78 = 11,751,144.10 : x
  2. Step 2: Convert to fraction form
    21,169,466.66/29,215,624.78 = 11,751,144.10/x
  3. Step 3: Cross multiply
    21,169,466.66x = 29,215,624.78 × 11,751,144.10
  4. Step 4: Simplify right side
    21,169,466.66x = 343,317,016,801,198.38
  5. Step 5: Solve for x
    x = 343,317,016,801,198.38/21,169,466.66
  6. Step 6: Final answer
    x = 16,217,556.27

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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.