Home / 20,491,791.60-30,773,116.80-10,925,853.60

Finding the Fourth Proportional to 20,491,791.60, 30,773,116.80 and 10,925,853.60

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Solution

The fourth proportional to 20,491,791.60, 30,773,116.80 and 10,925,853.60 is: 16,407,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,791.60 : 30,773,116.80 = 10,925,853.60 : x
  2. Step 2: Convert to fraction form
    20,491,791.60/30,773,116.80 = 10,925,853.60/x
  3. Step 3: Cross multiply
    20,491,791.60x = 30,773,116.80 × 10,925,853.60
  4. Step 4: Simplify right side
    20,491,791.60x = 336,222,568,972,500.50
  5. Step 5: Solve for x
    x = 336,222,568,972,500.50/20,491,791.60
  6. Step 6: Final answer
    x = 16,407,670.72

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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.