Home / 7,137,821.05-9,850,205.64-3,874,638.04

Finding the Fourth Proportional to 7,137,821.05, 9,850,205.64 and 3,874,638.04

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Solution

The fourth proportional to 7,137,821.05, 9,850,205.64 and 3,874,638.04 is: 5,347,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,821.05 : 9,850,205.64 = 3,874,638.04 : x
  2. Step 2: Convert to fraction form
    7,137,821.05/9,850,205.64 = 3,874,638.04/x
  3. Step 3: Cross multiply
    7,137,821.05x = 9,850,205.64 × 3,874,638.04
  4. Step 4: Simplify right side
    7,137,821.05x = 38,165,981,474,566.55
  5. Step 5: Solve for x
    x = 38,165,981,474,566.55/7,137,821.05
  6. Step 6: Final answer
    x = 5,347,007.33

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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.