Home / 8,254,823.39-12,382,886.68-2,189,556.90

Finding the Fourth Proportional to 8,254,823.39, 12,382,886.68 and 2,189,556.90

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Solution

The fourth proportional to 8,254,823.39, 12,382,886.68 and 2,189,556.90 is: 3,284,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254,823.39 : 12,382,886.68 = 2,189,556.90 : x
  2. Step 2: Convert to fraction form
    8,254,823.39/12,382,886.68 = 2,189,556.90/x
  3. Step 3: Cross multiply
    8,254,823.39x = 12,382,886.68 × 2,189,556.90
  4. Step 4: Simplify right side
    8,254,823.39x = 27,113,034,972,112.09
  5. Step 5: Solve for x
    x = 27,113,034,972,112.09/8,254,823.39
  6. Step 6: Final answer
    x = 3,284,508.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.