Home / 15,198,627.81-20,973,949.05-8,229,185.49

Finding the Fourth Proportional to 15,198,627.81, 20,973,949.05 and 8,229,185.49

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Solution

The fourth proportional to 15,198,627.81, 20,973,949.05 and 8,229,185.49 is: 11,356,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198,627.81 : 20,973,949.05 = 8,229,185.49 : x
  2. Step 2: Convert to fraction form
    15,198,627.81/20,973,949.05 = 8,229,185.49/x
  3. Step 3: Cross multiply
    15,198,627.81x = 20,973,949.05 × 8,229,185.49
  4. Step 4: Simplify right side
    15,198,627.81x = 172,598,517,190,259.28
  5. Step 5: Solve for x
    x = 172,598,517,190,259.28/15,198,627.81
  6. Step 6: Final answer
    x = 11,356,190.79

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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.