Home / 38,600,620.70-57,902,793.12-12,692,348.42

Finding the Fourth Proportional to 38,600,620.70, 57,902,793.12 and 12,692,348.42

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Solution

The fourth proportional to 38,600,620.70, 57,902,793.12 and 12,692,348.42 is: 19,039,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600,620.70 : 57,902,793.12 = 12,692,348.42 : x
  2. Step 2: Convert to fraction form
    38,600,620.70/57,902,793.12 = 12,692,348.42/x
  3. Step 3: Cross multiply
    38,600,620.70x = 57,902,793.12 × 12,692,348.42
  4. Step 4: Simplify right side
    38,600,620.70x = 734,922,424,770,218.88
  5. Step 5: Solve for x
    x = 734,922,424,770,218.88/38,600,620.70
  6. Step 6: Final answer
    x = 19,039,134.90

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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.