Home / 6,876,321.22-9,489,579.36-4,123,456.84

Finding the Fourth Proportional to 6,876,321.22, 9,489,579.36 and 4,123,456.84

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Solution

The fourth proportional to 6,876,321.22, 9,489,579.36 and 4,123,456.84 is: 5,690,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,321.22 : 9,489,579.36 = 4,123,456.84 : x
  2. Step 2: Convert to fraction form
    6,876,321.22/9,489,579.36 = 4,123,456.84/x
  3. Step 3: Cross multiply
    6,876,321.22x = 9,489,579.36 × 4,123,456.84
  4. Step 4: Simplify right side
    6,876,321.22x = 39,129,870,920,714.82
  5. Step 5: Solve for x
    x = 39,129,870,920,714.82/6,876,321.22
  6. Step 6: Final answer
    x = 5,690,524.00

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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.