Home / 28,458,514.62-39,272,704.92-15,405,770.04

Finding the Fourth Proportional to 28,458,514.62, 39,272,704.92 and 15,405,770.04

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Solution

The fourth proportional to 28,458,514.62, 39,272,704.92 and 15,405,770.04 is: 21,259,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,514.62 : 39,272,704.92 = 15,405,770.04 : x
  2. Step 2: Convert to fraction form
    28,458,514.62/39,272,704.92 = 15,405,770.04/x
  3. Step 3: Cross multiply
    28,458,514.62x = 39,272,704.92 × 15,405,770.04
  4. Step 4: Simplify right side
    28,458,514.62x = 605,026,260,846,296.62
  5. Step 5: Solve for x
    x = 605,026,260,846,296.62/28,458,514.62
  6. Step 6: Final answer
    x = 21,259,938.16

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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.