Home / 13,718,716.74-20,560,136.26-5,622,213.12

Finding the Fourth Proportional to 13,718,716.74, 20,560,136.26 and 5,622,213.12

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Solution

The fourth proportional to 13,718,716.74, 20,560,136.26 and 5,622,213.12 is: 8,425,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,718,716.74 : 20,560,136.26 = 5,622,213.12 : x
  2. Step 2: Convert to fraction form
    13,718,716.74/20,560,136.26 = 5,622,213.12/x
  3. Step 3: Cross multiply
    13,718,716.74x = 20,560,136.26 × 5,622,213.12
  4. Step 4: Simplify right side
    13,718,716.74x = 115,593,467,829,959.75
  5. Step 5: Solve for x
    x = 115,593,467,829,959.75/13,718,716.74
  6. Step 6: Final answer
    x = 8,425,967.97

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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.