Home / 7,867,195.15-11,802,394.62-3,318,260.86

Finding the Fourth Proportional to 7,867,195.15, 11,802,394.62 and 3,318,260.86

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Solution

The fourth proportional to 7,867,195.15, 11,802,394.62 and 3,318,260.86 is: 4,978,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,195.15 : 11,802,394.62 = 3,318,260.86 : x
  2. Step 2: Convert to fraction form
    7,867,195.15/11,802,394.62 = 3,318,260.86/x
  3. Step 3: Cross multiply
    7,867,195.15x = 11,802,394.62 × 3,318,260.86
  4. Step 4: Simplify right side
    7,867,195.15x = 39,163,424,121,820.57
  5. Step 5: Solve for x
    x = 39,163,424,121,820.57/7,867,195.15
  6. Step 6: Final answer
    x = 4,978,066.94

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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.