Home / 11,505,255.18-15,864,377.97-9,405,544.24

Finding the Fourth Proportional to 11,505,255.18, 15,864,377.97 and 9,405,544.24

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Solution

The fourth proportional to 11,505,255.18, 15,864,377.97 and 9,405,544.24 is: 12,969,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505,255.18 : 15,864,377.97 = 9,405,544.24 : x
  2. Step 2: Convert to fraction form
    11,505,255.18/15,864,377.97 = 9,405,544.24/x
  3. Step 3: Cross multiply
    11,505,255.18x = 15,864,377.97 × 9,405,544.24
  4. Step 4: Simplify right side
    11,505,255.18x = 149,213,108,836,916.41
  5. Step 5: Solve for x
    x = 149,213,108,836,916.41/11,505,255.18
  6. Step 6: Final answer
    x = 12,969,126.41

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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.