Home / 26,986,930.36-40,438,027.87-18,355,147.54

Finding the Fourth Proportional to 26,986,930.36, 40,438,027.87 and 18,355,147.54

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Solution

The fourth proportional to 26,986,930.36, 40,438,027.87 and 18,355,147.54 is: 27,503,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986,930.36 : 40,438,027.87 = 18,355,147.54 : x
  2. Step 2: Convert to fraction form
    26,986,930.36/40,438,027.87 = 18,355,147.54/x
  3. Step 3: Cross multiply
    26,986,930.36x = 40,438,027.87 × 18,355,147.54
  4. Step 4: Simplify right side
    26,986,930.36x = 742,245,967,780,481.88
  5. Step 5: Solve for x
    x = 742,245,967,780,481.88/26,986,930.36
  6. Step 6: Final answer
    x = 27,503,904.96

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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.