Home / 18,183,345.40-25,093,601.31-10,342,656.78

Finding the Fourth Proportional to 18,183,345.40, 25,093,601.31 and 10,342,656.78

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Solution

The fourth proportional to 18,183,345.40, 25,093,601.31 and 10,342,656.78 is: 14,273,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183,345.40 : 25,093,601.31 = 10,342,656.78 : x
  2. Step 2: Convert to fraction form
    18,183,345.40/25,093,601.31 = 10,342,656.78/x
  3. Step 3: Cross multiply
    18,183,345.40x = 25,093,601.31 × 10,342,656.78
  4. Step 4: Simplify right side
    18,183,345.40x = 259,534,505,723,488.34
  5. Step 5: Solve for x
    x = 259,534,505,723,488.34/18,183,345.40
  6. Step 6: Final answer
    x = 14,273,198.91

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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.