Home / 12,543,883.56-18,815,828.58-3,568,435.56

Finding the Fourth Proportional to 12,543,883.56, 18,815,828.58 and 3,568,435.56

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Solution

The fourth proportional to 12,543,883.56, 18,815,828.58 and 3,568,435.56 is: 5,352,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,883.56 : 18,815,828.58 = 3,568,435.56 : x
  2. Step 2: Convert to fraction form
    12,543,883.56/18,815,828.58 = 3,568,435.56/x
  3. Step 3: Cross multiply
    12,543,883.56x = 18,815,828.58 × 3,568,435.56
  4. Step 4: Simplify right side
    12,543,883.56x = 67,143,071,795,736.30
  5. Step 5: Solve for x
    x = 67,143,071,795,736.30/12,543,883.56
  6. Step 6: Final answer
    x = 5,352,654.26

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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.