Home / 19,972,055.70-29,940,587.55-13,561,521.30

Finding the Fourth Proportional to 19,972,055.70, 29,940,587.55 and 13,561,521.30

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Solution

The fourth proportional to 19,972,055.70, 29,940,587.55 and 13,561,521.30 is: 20,330,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972,055.70 : 29,940,587.55 = 13,561,521.30 : x
  2. Step 2: Convert to fraction form
    19,972,055.70/29,940,587.55 = 13,561,521.30/x
  3. Step 3: Cross multiply
    19,972,055.70x = 29,940,587.55 × 13,561,521.30
  4. Step 4: Simplify right side
    19,972,055.70x = 406,039,915,793,839.88
  5. Step 5: Solve for x
    x = 406,039,915,793,839.88/19,972,055.70
  6. Step 6: Final answer
    x = 20,330,401.73

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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.