Home / 7,858,650.24-11,787,976-2,178,874.72

Finding the Fourth Proportional to 7,858,650.24, 11,787,976 and 2,178,874.72

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Solution

The fourth proportional to 7,858,650.24, 11,787,976 and 2,178,874.72 is: 3,268,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,650.24 : 11,787,976 = 2,178,874.72 : x
  2. Step 2: Convert to fraction form
    7,858,650.24/11,787,976 = 2,178,874.72/x
  3. Step 3: Cross multiply
    7,858,650.24x = 11,787,976 × 2,178,874.72
  4. Step 4: Simplify right side
    7,858,650.24x = 25,684,522,906,366.72
  5. Step 5: Solve for x
    x = 25,684,522,906,366.72/7,858,650.24
  6. Step 6: Final answer
    x = 3,268,312.26

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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.