Home / 6,623,723.92-9,139,399.42-3,869,879.49

Finding the Fourth Proportional to 6,623,723.92, 9,139,399.42 and 3,869,879.49

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Solution

The fourth proportional to 6,623,723.92, 9,139,399.42 and 3,869,879.49 is: 5,339,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623,723.92 : 9,139,399.42 = 3,869,879.49 : x
  2. Step 2: Convert to fraction form
    6,623,723.92/9,139,399.42 = 3,869,879.49/x
  3. Step 3: Cross multiply
    6,623,723.92x = 9,139,399.42 × 3,869,879.49
  4. Step 4: Simplify right side
    6,623,723.92x = 35,368,374,353,073.19
  5. Step 5: Solve for x
    x = 35,368,374,353,073.19/6,623,723.92
  6. Step 6: Final answer
    x = 5,339,651.05

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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.