Home / 6,617,961.90-9,131,370.57-3,863,399.22

Finding the Fourth Proportional to 6,617,961.90, 9,131,370.57 and 3,863,399.22

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Solution

The fourth proportional to 6,617,961.90, 9,131,370.57 and 3,863,399.22 is: 5,330,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617,961.90 : 9,131,370.57 = 3,863,399.22 : x
  2. Step 2: Convert to fraction form
    6,617,961.90/9,131,370.57 = 3,863,399.22/x
  3. Step 3: Cross multiply
    6,617,961.90x = 9,131,370.57 × 3,863,399.22
  4. Step 4: Simplify right side
    6,617,961.90x = 35,278,129,937,668.96
  5. Step 5: Solve for x
    x = 35,278,129,937,668.96/6,617,961.90
  6. Step 6: Final answer
    x = 5,330,663.80

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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.