Home / 19,972,105.20-29,940,661.80-13,561,570.80

Finding the Fourth Proportional to 19,972,105.20, 29,940,661.80 and 13,561,570.80

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Solution

The fourth proportional to 19,972,105.20, 29,940,661.80 and 13,561,570.80 is: 20,330,475.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972,105.20 : 29,940,661.80 = 13,561,570.80 : x
  2. Step 2: Convert to fraction form
    19,972,105.20/29,940,661.80 = 13,561,570.80/x
  3. Step 3: Cross multiply
    19,972,105.20x = 29,940,661.80 × 13,561,570.80
  4. Step 4: Simplify right side
    19,972,105.20x = 406,042,404,799,555.50
  5. Step 5: Solve for x
    x = 406,042,404,799,555.50/19,972,105.20
  6. Step 6: Final answer
    x = 20,330,475.97

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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.