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Finding the Fourth Proportional to 7,957,695.94, 11,935,344.66 and 5,099,039.22

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Solution

The fourth proportional to 7,957,695.94, 11,935,344.66 and 5,099,039.22 is: 7,647,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957,695.94 : 11,935,344.66 = 5,099,039.22 : x
  2. Step 2: Convert to fraction form
    7,957,695.94/11,935,344.66 = 5,099,039.22/x
  3. Step 3: Cross multiply
    7,957,695.94x = 11,935,344.66 × 5,099,039.22
  4. Step 4: Simplify right side
    7,957,695.94x = 60,858,790,465,880.84
  5. Step 5: Solve for x
    x = 60,858,790,465,880.84/7,957,695.94
  6. Step 6: Final answer
    x = 7,647,790.38

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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.