Home / 19,251,015.10-28,876,522.65-15,471,879.10

Finding the Fourth Proportional to 19,251,015.10, 28,876,522.65 and 15,471,879.10

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Solution

The fourth proportional to 19,251,015.10, 28,876,522.65 and 15,471,879.10 is: 23,207,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,015.10 : 28,876,522.65 = 15,471,879.10 : x
  2. Step 2: Convert to fraction form
    19,251,015.10/28,876,522.65 = 15,471,879.10/x
  3. Step 3: Cross multiply
    19,251,015.10x = 28,876,522.65 × 15,471,879.10
  4. Step 4: Simplify right side
    19,251,015.10x = 446,774,067,269,211.56
  5. Step 5: Solve for x
    x = 446,774,067,269,211.56/19,251,015.10
  6. Step 6: Final answer
    x = 23,207,818.65

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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.