Home / 40,406,334.90-60,647,556.15-21,250,839.30

Finding the Fourth Proportional to 40,406,334.90, 60,647,556.15 and 21,250,839.30

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Solution

The fourth proportional to 40,406,334.90, 60,647,556.15 and 21,250,839.30 is: 31,896,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406,334.90 : 60,647,556.15 = 21,250,839.30 : x
  2. Step 2: Convert to fraction form
    40,406,334.90/60,647,556.15 = 21,250,839.30/x
  3. Step 3: Cross multiply
    40,406,334.90x = 60,647,556.15 × 21,250,839.30
  4. Step 4: Simplify right side
    40,406,334.90x = 1,288,811,469,681,376.75
  5. Step 5: Solve for x
    x = 1,288,811,469,681,376.75/40,406,334.90
  6. Step 6: Final answer
    x = 31,896,272.52

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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.