Home / 10,126,317.94-13,974,449.97-5,542,540.90

Finding the Fourth Proportional to 10,126,317.94, 13,974,449.97 and 5,542,540.90

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Solution

The fourth proportional to 10,126,317.94, 13,974,449.97 and 5,542,540.90 is: 7,648,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,317.94 : 13,974,449.97 = 5,542,540.90 : x
  2. Step 2: Convert to fraction form
    10,126,317.94/13,974,449.97 = 5,542,540.90/x
  3. Step 3: Cross multiply
    10,126,317.94x = 13,974,449.97 × 5,542,540.90
  4. Step 4: Simplify right side
    10,126,317.94x = 77,453,960,499,577.19
  5. Step 5: Solve for x
    x = 77,453,960,499,577.19/10,126,317.94
  6. Step 6: Final answer
    x = 7,648,778.26

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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.