Home / 18,488,449.24-25,513,972.86-10,339,719.64

Finding the Fourth Proportional to 18,488,449.24, 25,513,972.86 and 10,339,719.64

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Solution

The fourth proportional to 18,488,449.24, 25,513,972.86 and 10,339,719.64 is: 14,268,764.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488,449.24 : 25,513,972.86 = 10,339,719.64 : x
  2. Step 2: Convert to fraction form
    18,488,449.24/25,513,972.86 = 10,339,719.64/x
  3. Step 3: Cross multiply
    18,488,449.24x = 25,513,972.86 × 10,339,719.64
  4. Step 4: Simplify right side
    18,488,449.24x = 263,807,326,274,968.97
  5. Step 5: Solve for x
    x = 263,807,326,274,968.97/18,488,449.24
  6. Step 6: Final answer
    x = 14,268,764.40

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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.