Home / 18,146,900.71-27,225,665.43-5,367,745.72

Finding the Fourth Proportional to 18,146,900.71, 27,225,665.43 and 5,367,745.72

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Solution

The fourth proportional to 18,146,900.71, 27,225,665.43 and 5,367,745.72 is: 8,053,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,900.71 : 27,225,665.43 = 5,367,745.72 : x
  2. Step 2: Convert to fraction form
    18,146,900.71/27,225,665.43 = 5,367,745.72/x
  3. Step 3: Cross multiply
    18,146,900.71x = 27,225,665.43 × 5,367,745.72
  4. Step 4: Simplify right side
    18,146,900.71x = 146,140,449,086,034.44
  5. Step 5: Solve for x
    x = 146,140,449,086,034.44/18,146,900.71
  6. Step 6: Final answer
    x = 8,053,190.54

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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.