Home / 21,651,824-32,468,028.92-12,902,229.12

Finding the Fourth Proportional to 21,651,824, 32,468,028.92 and 12,902,229.12

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Solution

The fourth proportional to 21,651,824, 32,468,028.92 and 12,902,229.12 is: 19,347,559.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,651,824 : 32,468,028.92 = 12,902,229.12 : x
  2. Step 2: Convert to fraction form
    21,651,824/32,468,028.92 = 12,902,229.12/x
  3. Step 3: Cross multiply
    21,651,824x = 32,468,028.92 × 12,902,229.12
  4. Step 4: Simplify right side
    21,651,824x = 418,909,948,200,626.12
  5. Step 5: Solve for x
    x = 418,909,948,200,626.12/21,651,824
  6. Step 6: Final answer
    x = 19,347,559.27

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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.