Home / 13,785,472.22-20,678,198.60-6,203,580.62

Finding the Fourth Proportional to 13,785,472.22, 20,678,198.60 and 6,203,580.62

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Solution

The fourth proportional to 13,785,472.22, 20,678,198.60 and 6,203,580.62 is: 9,305,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,472.22 : 20,678,198.60 = 6,203,580.62 : x
  2. Step 2: Convert to fraction form
    13,785,472.22/20,678,198.60 = 6,203,580.62/x
  3. Step 3: Cross multiply
    13,785,472.22x = 20,678,198.60 × 6,203,580.62
  4. Step 4: Simplify right side
    13,785,472.22x = 128,278,872,003,589.09
  5. Step 5: Solve for x
    x = 128,278,872,003,589.09/13,785,472.22
  6. Step 6: Final answer
    x = 9,305,366.55

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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.