Home / 7,122,463.52-9,829,033.87-3,859,277.38

Finding the Fourth Proportional to 7,122,463.52, 9,829,033.87 and 3,859,277.38

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Solution

The fourth proportional to 7,122,463.52, 9,829,033.87 and 3,859,277.38 is: 5,325,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,463.52 : 9,829,033.87 = 3,859,277.38 : x
  2. Step 2: Convert to fraction form
    7,122,463.52/9,829,033.87 = 3,859,277.38/x
  3. Step 3: Cross multiply
    7,122,463.52x = 9,829,033.87 × 3,859,277.38
  4. Step 4: Simplify right side
    7,122,463.52x = 37,932,968,120,902.77
  5. Step 5: Solve for x
    x = 37,932,968,120,902.77/7,122,463.52
  6. Step 6: Final answer
    x = 5,325,821.33

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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.