Home / 13,126,049.44-18,112,766.34-8,229,706.36

Finding the Fourth Proportional to 13,126,049.44, 18,112,766.34 and 8,229,706.36

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Solution

The fourth proportional to 13,126,049.44, 18,112,766.34 and 8,229,706.36 is: 11,356,253.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,049.44 : 18,112,766.34 = 8,229,706.36 : x
  2. Step 2: Convert to fraction form
    13,126,049.44/18,112,766.34 = 8,229,706.36/x
  3. Step 3: Cross multiply
    13,126,049.44x = 18,112,766.34 × 8,229,706.36
  4. Step 4: Simplify right side
    13,126,049.44x = 149,062,748,345,491.94
  5. Step 5: Solve for x
    x = 149,062,748,345,491.94/13,126,049.44
  6. Step 6: Final answer
    x = 11,356,253.76

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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.