Home / 8,431,769.64-12,647,612.16-2,042,021.82

Finding the Fourth Proportional to 8,431,769.64, 12,647,612.16 and 2,042,021.82

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Solution

The fourth proportional to 8,431,769.64, 12,647,612.16 and 2,042,021.82 is: 3,063,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,769.64 : 12,647,612.16 = 2,042,021.82 : x
  2. Step 2: Convert to fraction form
    8,431,769.64/12,647,612.16 = 2,042,021.82/x
  3. Step 3: Cross multiply
    8,431,769.64x = 12,647,612.16 × 2,042,021.82
  4. Step 4: Simplify right side
    8,431,769.64x = 25,826,700,001,617.33
  5. Step 5: Solve for x
    x = 25,826,700,001,617.33/8,431,769.64
  6. Step 6: Final answer
    x = 3,063,022.49

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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.