Home / 20,741,519.90-28,623,293.00-11,449,087.55

Finding the Fourth Proportional to 20,741,519.90, 28,623,293.00 and 11,449,087.55

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Solution

The fourth proportional to 20,741,519.90, 28,623,293.00 and 11,449,087.55 is: 15,799,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,519.90 : 28,623,293.00 = 11,449,087.55 : x
  2. Step 2: Convert to fraction form
    20,741,519.90/28,623,293.00 = 11,449,087.55/x
  3. Step 3: Cross multiply
    20,741,519.90x = 28,623,293.00 × 11,449,087.55
  4. Step 4: Simplify right side
    20,741,519.90x = 327,710,587,633,192.94
  5. Step 5: Solve for x
    x = 327,710,587,633,192.94/20,741,519.90
  6. Step 6: Final answer
    x = 15,799,738.36

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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.