Home / 7,378,784.57-11,071,539.88-3,787,073.78

Finding the Fourth Proportional to 7,378,784.57, 11,071,539.88 and 3,787,073.78

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Solution

The fourth proportional to 7,378,784.57, 11,071,539.88 and 3,787,073.78 is: 5,682,336.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,784.57 : 11,071,539.88 = 3,787,073.78 : x
  2. Step 2: Convert to fraction form
    7,378,784.57/11,071,539.88 = 3,787,073.78/x
  3. Step 3: Cross multiply
    7,378,784.57x = 11,071,539.88 × 3,787,073.78
  4. Step 4: Simplify right side
    7,378,784.57x = 41,928,738,427,930.77
  5. Step 5: Solve for x
    x = 41,928,738,427,930.77/7,378,784.57
  6. Step 6: Final answer
    x = 5,682,336.71

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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.