Home / 28,023,378.44-42,036,843.54-11,846,314.76

Finding the Fourth Proportional to 28,023,378.44, 42,036,843.54 and 11,846,314.76

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Solution

The fourth proportional to 28,023,378.44, 42,036,843.54 and 11,846,314.76 is: 17,770,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,378.44 : 42,036,843.54 = 11,846,314.76 : x
  2. Step 2: Convert to fraction form
    28,023,378.44/42,036,843.54 = 11,846,314.76/x
  3. Step 3: Cross multiply
    28,023,378.44x = 42,036,843.54 × 11,846,314.76
  4. Step 4: Simplify right side
    28,023,378.44x = 497,981,680,091,712.62
  5. Step 5: Solve for x
    x = 497,981,680,091,712.62/28,023,378.44
  6. Step 6: Final answer
    x = 17,770,222.86

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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.