Home / 10,126,317.28-13,974,449.10-5,542,540.24

Finding the Fourth Proportional to 10,126,317.28, 13,974,449.10 and 5,542,540.24

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Solution

The fourth proportional to 10,126,317.28, 13,974,449.10 and 5,542,540.24 is: 7,648,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,317.28 : 13,974,449.10 = 5,542,540.24 : x
  2. Step 2: Convert to fraction form
    10,126,317.28/13,974,449.10 = 5,542,540.24/x
  3. Step 3: Cross multiply
    10,126,317.28x = 13,974,449.10 × 5,542,540.24
  4. Step 4: Simplify right side
    10,126,317.28x = 77,453,946,468,581.78
  5. Step 5: Solve for x
    x = 77,453,946,468,581.78/10,126,317.28
  6. Step 6: Final answer
    x = 7,648,777.37

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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.