Home / 13,448,022.56-18,557,903.76-7,336,449.44

Finding the Fourth Proportional to 13,448,022.56, 18,557,903.76 and 7,336,449.44

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Solution

The fourth proportional to 13,448,022.56, 18,557,903.76 and 7,336,449.44 is: 10,124,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,022.56 : 18,557,903.76 = 7,336,449.44 : x
  2. Step 2: Convert to fraction form
    13,448,022.56/18,557,903.76 = 7,336,449.44/x
  3. Step 3: Cross multiply
    13,448,022.56x = 18,557,903.76 × 7,336,449.44
  4. Step 4: Simplify right side
    13,448,022.56x = 136,149,122,647,625.91
  5. Step 5: Solve for x
    x = 136,149,122,647,625.91/13,448,022.56
  6. Step 6: Final answer
    x = 10,124,099.81

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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.