Home / 25,613,231.37-38,422,538.10-8,342,778.23

Finding the Fourth Proportional to 25,613,231.37, 38,422,538.10 and 8,342,778.23

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Solution

The fourth proportional to 25,613,231.37, 38,422,538.10 and 8,342,778.23 is: 12,515,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613,231.37 : 38,422,538.10 = 8,342,778.23 : x
  2. Step 2: Convert to fraction form
    25,613,231.37/38,422,538.10 = 8,342,778.23/x
  3. Step 3: Cross multiply
    25,613,231.37x = 38,422,538.10 × 8,342,778.23
  4. Step 4: Simplify right side
    25,613,231.37x = 320,550,714,209,912.88
  5. Step 5: Solve for x
    x = 320,550,714,209,912.88/25,613,231.37
  6. Step 6: Final answer
    x = 12,515,043.87

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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.