Home / 7,556,912.15-10,420,297.43-5,105,266.29

Finding the Fourth Proportional to 7,556,912.15, 10,420,297.43 and 5,105,266.29

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Solution

The fourth proportional to 7,556,912.15, 10,420,297.43 and 5,105,266.29 is: 7,039,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,556,912.15 : 10,420,297.43 = 5,105,266.29 : x
  2. Step 2: Convert to fraction form
    7,556,912.15/10,420,297.43 = 5,105,266.29/x
  3. Step 3: Cross multiply
    7,556,912.15x = 10,420,297.43 × 5,105,266.29
  4. Step 4: Simplify right side
    7,556,912.15x = 53,198,393,175,626.30
  5. Step 5: Solve for x
    x = 53,198,393,175,626.30/7,556,912.15
  6. Step 6: Final answer
    x = 7,039,699.83

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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.