Home / 15,165,414.06-20,923,161.33-8,634,422.53

Finding the Fourth Proportional to 15,165,414.06, 20,923,161.33 and 8,634,422.53

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Solution

The fourth proportional to 15,165,414.06, 20,923,161.33 and 8,634,422.53 is: 11,912,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165,414.06 : 20,923,161.33 = 8,634,422.53 : x
  2. Step 2: Convert to fraction form
    15,165,414.06/20,923,161.33 = 8,634,422.53/x
  3. Step 3: Cross multiply
    15,165,414.06x = 20,923,161.33 × 8,634,422.53
  4. Step 4: Simplify right side
    15,165,414.06x = 180,659,415,586,576.75
  5. Step 5: Solve for x
    x = 180,659,415,586,576.75/15,165,414.06
  6. Step 6: Final answer
    x = 11,912,593.67

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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.