Home / 18,626,453.12-27,957,698.52-13,444,405.28

Finding the Fourth Proportional to 18,626,453.12, 27,957,698.52 and 13,444,405.28

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Solution

The fourth proportional to 18,626,453.12, 27,957,698.52 and 13,444,405.28 is: 20,179,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626,453.12 : 27,957,698.52 = 13,444,405.28 : x
  2. Step 2: Convert to fraction form
    18,626,453.12/27,957,698.52 = 13,444,405.28/x
  3. Step 3: Cross multiply
    18,626,453.12x = 27,957,698.52 × 13,444,405.28
  4. Step 4: Simplify right side
    18,626,453.12x = 375,874,629,598,936.19
  5. Step 5: Solve for x
    x = 375,874,629,598,936.19/18,626,453.12
  6. Step 6: Final answer
    x = 20,179,613.76

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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.