Home / 27,906,067.20-41,859,100.80-20,347,795.20

Finding the Fourth Proportional to 27,906,067.20, 41,859,100.80 and 20,347,795.20

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Solution

The fourth proportional to 27,906,067.20, 41,859,100.80 and 20,347,795.20 is: 30,521,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,906,067.20 : 41,859,100.80 = 20,347,795.20 : x
  2. Step 2: Convert to fraction form
    27,906,067.20/41,859,100.80 = 20,347,795.20/x
  3. Step 3: Cross multiply
    27,906,067.20x = 41,859,100.80 × 20,347,795.20
  4. Step 4: Simplify right side
    27,906,067.20x = 851,740,410,334,556.12
  5. Step 5: Solve for x
    x = 851,740,410,334,556.12/27,906,067.20
  6. Step 6: Final answer
    x = 30,521,692.80

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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.