Home / 10,378,331.91-15,567,553.31-6,806,716.25

Finding the Fourth Proportional to 10,378,331.91, 15,567,553.31 and 6,806,716.25

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Solution

The fourth proportional to 10,378,331.91, 15,567,553.31 and 6,806,716.25 is: 10,210,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,331.91 : 15,567,553.31 = 6,806,716.25 : x
  2. Step 2: Convert to fraction form
    10,378,331.91/15,567,553.31 = 6,806,716.25/x
  3. Step 3: Cross multiply
    10,378,331.91x = 15,567,553.31 × 6,806,716.25
  4. Step 4: Simplify right side
    10,378,331.91x = 105,963,917,976,046.94
  5. Step 5: Solve for x
    x = 105,963,917,976,046.94/10,378,331.91
  6. Step 6: Final answer
    x = 10,210,110.73

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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.