Home / 19,251,319.70-28,876,979.55-17,086,481.30

Finding the Fourth Proportional to 19,251,319.70, 28,876,979.55 and 17,086,481.30

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Solution

The fourth proportional to 19,251,319.70, 28,876,979.55 and 17,086,481.30 is: 25,629,721.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,319.70 : 28,876,979.55 = 17,086,481.30 : x
  2. Step 2: Convert to fraction form
    19,251,319.70/28,876,979.55 = 17,086,481.30/x
  3. Step 3: Cross multiply
    19,251,319.70x = 28,876,979.55 × 17,086,481.30
  4. Step 4: Simplify right side
    19,251,319.70x = 493,405,971,081,557.44
  5. Step 5: Solve for x
    x = 493,405,971,081,557.44/19,251,319.70
  6. Step 6: Final answer
    x = 25,629,721.95

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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.