Home / 8,278,823.10-12,418,234.65-2,214,490.80

Finding the Fourth Proportional to 8,278,823.10, 12,418,234.65 and 2,214,490.80

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Solution

The fourth proportional to 8,278,823.10, 12,418,234.65 and 2,214,490.80 is: 3,321,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,823.10 : 12,418,234.65 = 2,214,490.80 : x
  2. Step 2: Convert to fraction form
    8,278,823.10/12,418,234.65 = 2,214,490.80/x
  3. Step 3: Cross multiply
    8,278,823.10x = 12,418,234.65 × 2,214,490.80
  4. Step 4: Simplify right side
    8,278,823.10x = 27,500,066,384,666.22
  5. Step 5: Solve for x
    x = 27,500,066,384,666.22/8,278,823.10
  6. Step 6: Final answer
    x = 3,321,736.20

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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.