Home / 13,825,469.27-20,740,879.37-5,305,143.26

Finding the Fourth Proportional to 13,825,469.27, 20,740,879.37 and 5,305,143.26

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Solution

The fourth proportional to 13,825,469.27, 20,740,879.37 and 5,305,143.26 is: 7,958,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825,469.27 : 20,740,879.37 = 5,305,143.26 : x
  2. Step 2: Convert to fraction form
    13,825,469.27/20,740,879.37 = 5,305,143.26/x
  3. Step 3: Cross multiply
    13,825,469.27x = 20,740,879.37 × 5,305,143.26
  4. Step 4: Simplify right side
    13,825,469.27x = 110,033,336,396,228.55
  5. Step 5: Solve for x
    x = 110,033,336,396,228.55/13,825,469.27
  6. Step 6: Final answer
    x = 7,958,741.53

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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.