Home / 20,188,290.87-27,859,954.60-11,486,463.30

Finding the Fourth Proportional to 20,188,290.87, 27,859,954.60 and 11,486,463.30

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Solution

The fourth proportional to 20,188,290.87, 27,859,954.60 and 11,486,463.30 is: 15,851,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,290.87 : 27,859,954.60 = 11,486,463.30 : x
  2. Step 2: Convert to fraction form
    20,188,290.87/27,859,954.60 = 11,486,463.30/x
  3. Step 3: Cross multiply
    20,188,290.87x = 27,859,954.60 × 11,486,463.30
  4. Step 4: Simplify right side
    20,188,290.87x = 320,012,346,023,850.06
  5. Step 5: Solve for x
    x = 320,012,346,023,850.06/20,188,290.87
  6. Step 6: Final answer
    x = 15,851,383.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.