Home / 18,382,780.92-25,367,742.06-10,234,019.64

Finding the Fourth Proportional to 18,382,780.92, 25,367,742.06 and 10,234,019.64

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Solution

The fourth proportional to 18,382,780.92, 25,367,742.06 and 10,234,019.64 is: 14,122,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382,780.92 : 25,367,742.06 = 10,234,019.64 : x
  2. Step 2: Convert to fraction form
    18,382,780.92/25,367,742.06 = 10,234,019.64/x
  3. Step 3: Cross multiply
    18,382,780.92x = 25,367,742.06 × 10,234,019.64
  4. Step 4: Simplify right side
    18,382,780.92x = 259,613,970,464,494.06
  5. Step 5: Solve for x
    x = 259,613,970,464,494.06/18,382,780.92
  6. Step 6: Final answer
    x = 14,122,671.19

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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.