Home / 20,338,370.39-30,504,182.60-6,691,683.12

Finding the Fourth Proportional to 20,338,370.39, 30,504,182.60 and 6,691,683.12

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Solution

The fourth proportional to 20,338,370.39, 30,504,182.60 and 6,691,683.12 is: 10,036,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338,370.39 : 30,504,182.60 = 6,691,683.12 : x
  2. Step 2: Convert to fraction form
    20,338,370.39/30,504,182.60 = 6,691,683.12/x
  3. Step 3: Cross multiply
    20,338,370.39x = 30,504,182.60 × 6,691,683.12
  4. Step 4: Simplify right side
    20,338,370.39x = 204,124,323,830,101.56
  5. Step 5: Solve for x
    x = 204,124,323,830,101.56/20,338,370.39
  6. Step 6: Final answer
    x = 10,036,414.91

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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.