Home / 18,980,025.64-26,192,449.38-10,278,207.79

Finding the Fourth Proportional to 18,980,025.64, 26,192,449.38 and 10,278,207.79

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Solution

The fourth proportional to 18,980,025.64, 26,192,449.38 and 10,278,207.79 is: 14,183,934.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,025.64 : 26,192,449.38 = 10,278,207.79 : x
  2. Step 2: Convert to fraction form
    18,980,025.64/26,192,449.38 = 10,278,207.79/x
  3. Step 3: Cross multiply
    18,980,025.64x = 26,192,449.38 × 10,278,207.79
  4. Step 4: Simplify right side
    18,980,025.64x = 269,211,437,256,696.62
  5. Step 5: Solve for x
    x = 269,211,437,256,696.62/18,980,025.64
  6. Step 6: Final answer
    x = 14,183,934.33

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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.