Home / 6,919,815.72-10,381,617.36-3,328,586.76

Finding the Fourth Proportional to 6,919,815.72, 10,381,617.36 and 3,328,586.76

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Solution

The fourth proportional to 6,919,815.72, 10,381,617.36 and 3,328,586.76 is: 4,993,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919,815.72 : 10,381,617.36 = 3,328,586.76 : x
  2. Step 2: Convert to fraction form
    6,919,815.72/10,381,617.36 = 3,328,586.76/x
  3. Step 3: Cross multiply
    6,919,815.72x = 10,381,617.36 × 3,328,586.76
  4. Step 4: Simplify right side
    6,919,815.72x = 34,556,114,091,882.15
  5. Step 5: Solve for x
    x = 34,556,114,091,882.15/6,919,815.72
  6. Step 6: Final answer
    x = 4,993,791.09

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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.