Home / 8,647,935.60-11,937,516.12-7,740,942.96

Finding the Fourth Proportional to 8,647,935.60, 11,937,516.12 and 7,740,942.96

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Solution

The fourth proportional to 8,647,935.60, 11,937,516.12 and 7,740,942.96 is: 10,685,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647,935.60 : 11,937,516.12 = 7,740,942.96 : x
  2. Step 2: Convert to fraction form
    8,647,935.60/11,937,516.12 = 7,740,942.96/x
  3. Step 3: Cross multiply
    8,647,935.60x = 11,937,516.12 × 7,740,942.96
  4. Step 4: Simplify right side
    8,647,935.60x = 92,407,631,369,000.52
  5. Step 5: Solve for x
    x = 92,407,631,369,000.52/8,647,935.60
  6. Step 6: Final answer
    x = 10,685,513.36

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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.