Home / 18,167,412.75-27,228,679.44-15,590,514.39

Finding the Fourth Proportional to 18,167,412.75, 27,228,679.44 and 15,590,514.39

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Solution

The fourth proportional to 18,167,412.75, 27,228,679.44 and 15,590,514.39 is: 23,366,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167,412.75 : 27,228,679.44 = 15,590,514.39 : x
  2. Step 2: Convert to fraction form
    18,167,412.75/27,228,679.44 = 15,590,514.39/x
  3. Step 3: Cross multiply
    18,167,412.75x = 27,228,679.44 × 15,590,514.39
  4. Step 4: Simplify right side
    18,167,412.75x = 424,509,118,469,445.19
  5. Step 5: Solve for x
    x = 424,509,118,469,445.19/18,167,412.75
  6. Step 6: Final answer
    x = 23,366,514.78

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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.