Home / 21,609,538.33-29,819,546.26-11,819,476.57

Finding the Fourth Proportional to 21,609,538.33, 29,819,546.26 and 11,819,476.57

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Solution

The fourth proportional to 21,609,538.33, 29,819,546.26 and 11,819,476.57 is: 16,309,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609,538.33 : 29,819,546.26 = 11,819,476.57 : x
  2. Step 2: Convert to fraction form
    21,609,538.33/29,819,546.26 = 11,819,476.57/x
  3. Step 3: Cross multiply
    21,609,538.33x = 29,819,546.26 × 11,819,476.57
  4. Step 4: Simplify right side
    21,609,538.33x = 352,451,428,348,101.19
  5. Step 5: Solve for x
    x = 352,451,428,348,101.19/21,609,538.33
  6. Step 6: Final answer
    x = 16,309,993.44

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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.