Home / 22,128,194.89-33,173,359.66-8,491,127.23

Finding the Fourth Proportional to 22,128,194.89, 33,173,359.66 and 8,491,127.23

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Solution

The fourth proportional to 22,128,194.89, 33,173,359.66 and 8,491,127.23 is: 12,729,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,194.89 : 33,173,359.66 = 8,491,127.23 : x
  2. Step 2: Convert to fraction form
    22,128,194.89/33,173,359.66 = 8,491,127.23/x
  3. Step 3: Cross multiply
    22,128,194.89x = 33,173,359.66 × 8,491,127.23
  4. Step 4: Simplify right side
    22,128,194.89x = 281,679,217,519,609.56
  5. Step 5: Solve for x
    x = 281,679,217,519,609.56/22,128,194.89
  6. Step 6: Final answer
    x = 12,729,425.92

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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.