Home / 18,084,012.60-27,129,007.80-8,378,325.30

Finding the Fourth Proportional to 18,084,012.60, 27,129,007.80 and 8,378,325.30

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Solution

The fourth proportional to 18,084,012.60, 27,129,007.80 and 8,378,325.30 is: 12,568,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084,012.60 : 27,129,007.80 = 8,378,325.30 : x
  2. Step 2: Convert to fraction form
    18,084,012.60/27,129,007.80 = 8,378,325.30/x
  3. Step 3: Cross multiply
    18,084,012.60x = 27,129,007.80 × 8,378,325.30
  4. Step 4: Simplify right side
    18,084,012.60x = 227,295,652,414,637.34
  5. Step 5: Solve for x
    x = 227,295,652,414,637.34/18,084,012.60
  6. Step 6: Final answer
    x = 12,568,872.71

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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.