Home / 6,388,942.22-8,815,700.34-3,775,082.85

Finding the Fourth Proportional to 6,388,942.22, 8,815,700.34 and 3,775,082.85

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Solution

The fourth proportional to 6,388,942.22, 8,815,700.34 and 3,775,082.85 is: 5,208,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,942.22 : 8,815,700.34 = 3,775,082.85 : x
  2. Step 2: Convert to fraction form
    6,388,942.22/8,815,700.34 = 3,775,082.85/x
  3. Step 3: Cross multiply
    6,388,942.22x = 8,815,700.34 × 3,775,082.85
  4. Step 4: Simplify right side
    6,388,942.22x = 33,279,999,164,273.17
  5. Step 5: Solve for x
    x = 33,279,999,164,273.17/6,388,942.22
  6. Step 6: Final answer
    x = 5,208,999.87

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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.