Home / 19,972,114.20-29,940,675.30-13,561,579.80

Finding the Fourth Proportional to 19,972,114.20, 29,940,675.30 and 13,561,579.80

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Solution

The fourth proportional to 19,972,114.20, 29,940,675.30 and 13,561,579.80 is: 20,330,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972,114.20 : 29,940,675.30 = 13,561,579.80 : x
  2. Step 2: Convert to fraction form
    19,972,114.20/29,940,675.30 = 13,561,579.80/x
  3. Step 3: Cross multiply
    19,972,114.20x = 29,940,675.30 × 13,561,579.80
  4. Step 4: Simplify right side
    19,972,114.20x = 406,042,857,346,839
  5. Step 5: Solve for x
    x = 406,042,857,346,839/19,972,114.20
  6. Step 6: Final answer
    x = 20,330,489.47

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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.