Home / 7,876,195.88-11,816,286.41-2,196,420.80

Finding the Fourth Proportional to 7,876,195.88, 11,816,286.41 and 2,196,420.80

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Solution

The fourth proportional to 7,876,195.88, 11,816,286.41 and 2,196,420.80 is: 3,295,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,195.88 : 11,816,286.41 = 2,196,420.80 : x
  2. Step 2: Convert to fraction form
    7,876,195.88/11,816,286.41 = 2,196,420.80/x
  3. Step 3: Cross multiply
    7,876,195.88x = 11,816,286.41 × 2,196,420.80
  4. Step 4: Simplify right side
    7,876,195.88x = 25,953,537,196,090.95
  5. Step 5: Solve for x
    x = 25,953,537,196,090.95/7,876,195.88
  6. Step 6: Final answer
    x = 3,295,186.87

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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.