Home / 18,488,163.24-25,513,578.18-10,339,433.64

Finding the Fourth Proportional to 18,488,163.24, 25,513,578.18 and 10,339,433.64

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Solution

The fourth proportional to 18,488,163.24, 25,513,578.18 and 10,339,433.64 is: 14,268,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,163.24 : 25,513,578.18 = 10,339,433.64 : x
  2. Step 2: Convert to fraction form
    18,488,163.24/25,513,578.18 = 10,339,433.64/x
  3. Step 3: Cross multiply
    18,488,163.24x = 25,513,578.18 × 10,339,433.64
  4. Step 4: Simplify right side
    18,488,163.24x = 263,795,948,511,062
  5. Step 5: Solve for x
    x = 263,795,948,511,062/18,488,163.24
  6. Step 6: Final answer
    x = 14,268,369.72

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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.