Home / 6,840,116.70-9,438,556.23-3,939,629.82

Finding the Fourth Proportional to 6,840,116.70, 9,438,556.23 and 3,939,629.82

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Solution

The fourth proportional to 6,840,116.70, 9,438,556.23 and 3,939,629.82 is: 5,436,225.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840,116.70 : 9,438,556.23 = 3,939,629.82 : x
  2. Step 2: Convert to fraction form
    6,840,116.70/9,438,556.23 = 3,939,629.82/x
  3. Step 3: Cross multiply
    6,840,116.70x = 9,438,556.23 × 3,939,629.82
  4. Step 4: Simplify right side
    6,840,116.70x = 37,184,417,581,454.78
  5. Step 5: Solve for x
    x = 37,184,417,581,454.78/6,840,116.70
  6. Step 6: Final answer
    x = 5,436,225.61

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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.