Home / 18,394,364.76-25,383,009-11,047,832.64

Finding the Fourth Proportional to 18,394,364.76, 25,383,009 and 11,047,832.64

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Solution

The fourth proportional to 18,394,364.76, 25,383,009 and 11,047,832.64 is: 15,245,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394,364.76 : 25,383,009 = 11,047,832.64 : x
  2. Step 2: Convert to fraction form
    18,394,364.76/25,383,009 = 11,047,832.64/x
  3. Step 3: Cross multiply
    18,394,364.76x = 25,383,009 × 11,047,832.64
  4. Step 4: Simplify right side
    18,394,364.76x = 280,427,235,331,613.78
  5. Step 5: Solve for x
    x = 280,427,235,331,613.78/18,394,364.76
  6. Step 6: Final answer
    x = 15,245,279.68

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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.