Home / 20,715,333.39-31,074,245.62-6,338,525.74

Finding the Fourth Proportional to 20,715,333.39, 31,074,245.62 and 6,338,525.74

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Solution

The fourth proportional to 20,715,333.39, 31,074,245.62 and 6,338,525.74 is: 9,508,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,333.39 : 31,074,245.62 = 6,338,525.74 : x
  2. Step 2: Convert to fraction form
    20,715,333.39/31,074,245.62 = 6,338,525.74/x
  3. Step 3: Cross multiply
    20,715,333.39x = 31,074,245.62 × 6,338,525.74
  4. Step 4: Simplify right side
    20,715,333.39x = 196,964,905,526,388.41
  5. Step 5: Solve for x
    x = 196,964,905,526,388.41/20,715,333.39
  6. Step 6: Final answer
    x = 9,508,169.71

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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.