Home / 21,359,805.11-29,476,672.59-11,570,249.30

Finding the Fourth Proportional to 21,359,805.11, 29,476,672.59 and 11,570,249.30

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Solution

The fourth proportional to 21,359,805.11, 29,476,672.59 and 11,570,249.30 is: 15,967,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,805.11 : 29,476,672.59 = 11,570,249.30 : x
  2. Step 2: Convert to fraction form
    21,359,805.11/29,476,672.59 = 11,570,249.30/x
  3. Step 3: Cross multiply
    21,359,805.11x = 29,476,672.59 × 11,570,249.30
  4. Step 4: Simplify right side
    21,359,805.11x = 341,052,450,397,505.44
  5. Step 5: Solve for x
    x = 341,052,450,397,505.44/21,359,805.11
  6. Step 6: Final answer
    x = 15,967,020.70

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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.