Home / 10,291,344.57-15,438,440.80-3,469,868.77

Finding the Fourth Proportional to 10,291,344.57, 15,438,440.80 and 3,469,868.77

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Solution

The fourth proportional to 10,291,344.57, 15,438,440.80 and 3,469,868.77 is: 5,205,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291,344.57 : 15,438,440.80 = 3,469,868.77 : x
  2. Step 2: Convert to fraction form
    10,291,344.57/15,438,440.80 = 3,469,868.77/x
  3. Step 3: Cross multiply
    10,291,344.57x = 15,438,440.80 × 3,469,868.77
  4. Step 4: Simplify right side
    10,291,344.57x = 53,569,363,589,413.82
  5. Step 5: Solve for x
    x = 53,569,363,589,413.82/10,291,344.57
  6. Step 6: Final answer
    x = 5,205,283.26

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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.