Home / 28,979,937.60-43,469,906.40-15,543,009.60

Finding the Fourth Proportional to 28,979,937.60, 43,469,906.40 and 15,543,009.60

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Solution

The fourth proportional to 28,979,937.60, 43,469,906.40 and 15,543,009.60 is: 23,314,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,937.60 : 43,469,906.40 = 15,543,009.60 : x
  2. Step 2: Convert to fraction form
    28,979,937.60/43,469,906.40 = 15,543,009.60/x
  3. Step 3: Cross multiply
    28,979,937.60x = 43,469,906.40 × 15,543,009.60
  4. Step 4: Simplify right side
    28,979,937.60x = 675,653,172,486,301.38
  5. Step 5: Solve for x
    x = 675,653,172,486,301.38/28,979,937.60
  6. Step 6: Final answer
    x = 23,314,514.40

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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.