Home / 20,394,036.94-30,590,919.33-8,263,321.42

Finding the Fourth Proportional to 20,394,036.94, 30,590,919.33 and 8,263,321.42

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Solution

The fourth proportional to 20,394,036.94, 30,590,919.33 and 8,263,321.42 is: 12,394,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,036.94 : 30,590,919.33 = 8,263,321.42 : x
  2. Step 2: Convert to fraction form
    20,394,036.94/30,590,919.33 = 8,263,321.42/x
  3. Step 3: Cross multiply
    20,394,036.94x = 30,590,919.33 × 8,263,321.42
  4. Step 4: Simplify right side
    20,394,036.94x = 252,782,598,957,081.03
  5. Step 5: Solve for x
    x = 252,782,598,957,081.03/20,394,036.94
  6. Step 6: Final answer
    x = 12,394,926.99

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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.