Home / 6,876,309.70-9,489,563.48-4,123,445.32

Finding the Fourth Proportional to 6,876,309.70, 9,489,563.48 and 4,123,445.32

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Solution

The fourth proportional to 6,876,309.70, 9,489,563.48 and 4,123,445.32 is: 5,690,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,309.70 : 9,489,563.48 = 4,123,445.32 : x
  2. Step 2: Convert to fraction form
    6,876,309.70/9,489,563.48 = 4,123,445.32/x
  3. Step 3: Cross multiply
    6,876,309.70x = 9,489,563.48 × 4,123,445.32
  4. Step 4: Simplify right side
    6,876,309.70x = 39,129,696,120,448.91
  5. Step 5: Solve for x
    x = 39,129,696,120,448.91/6,876,309.70
  6. Step 6: Final answer
    x = 5,690,508.11

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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.