Home / 14,622,480.72-20,179,236.78-8,424,108

Finding the Fourth Proportional to 14,622,480.72, 20,179,236.78 and 8,424,108

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Solution

The fourth proportional to 14,622,480.72, 20,179,236.78 and 8,424,108 is: 11,625,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622,480.72 : 20,179,236.78 = 8,424,108 : x
  2. Step 2: Convert to fraction form
    14,622,480.72/20,179,236.78 = 8,424,108/x
  3. Step 3: Cross multiply
    14,622,480.72x = 20,179,236.78 × 8,424,108
  4. Step 4: Simplify right side
    14,622,480.72x = 169,992,069,992,292.25
  5. Step 5: Solve for x
    x = 169,992,069,992,292.25/14,622,480.72
  6. Step 6: Final answer
    x = 11,625,391.97

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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.