Home / 6,876,087.10-9,486,930.88-4,121,769.56

Finding the Fourth Proportional to 6,876,087.10, 9,486,930.88 and 4,121,769.56

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Solution

The fourth proportional to 6,876,087.10, 9,486,930.88 and 4,121,769.56 is: 5,686,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876,087.10 : 9,486,930.88 = 4,121,769.56 : x
  2. Step 2: Convert to fraction form
    6,876,087.10/9,486,930.88 = 4,121,769.56/x
  3. Step 3: Cross multiply
    6,876,087.10x = 9,486,930.88 × 4,121,769.56
  4. Step 4: Simplify right side
    6,876,087.10x = 39,102,942,919,008.02
  5. Step 5: Solve for x
    x = 39,102,942,919,008.02/6,876,087.10
  6. Step 6: Final answer
    x = 5,686,801.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.