Home / 13,448,021.56-18,557,902.38-7,336,448.44

Finding the Fourth Proportional to 13,448,021.56, 18,557,902.38 and 7,336,448.44

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Solution

The fourth proportional to 13,448,021.56, 18,557,902.38 and 7,336,448.44 is: 10,124,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,021.56 : 18,557,902.38 = 7,336,448.44 : x
  2. Step 2: Convert to fraction form
    13,448,021.56/18,557,902.38 = 7,336,448.44/x
  3. Step 3: Cross multiply
    13,448,021.56x = 18,557,902.38 × 7,336,448.44
  4. Step 4: Simplify right side
    13,448,021.56x = 136,149,093,965,423.28
  5. Step 5: Solve for x
    x = 136,149,093,965,423.28/13,448,021.56
  6. Step 6: Final answer
    x = 10,124,098.43

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1.5x scale

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.