Home / 10,945,720.80-16,420,136.40-3,371,896.80

Finding the Fourth Proportional to 10,945,720.80, 16,420,136.40 and 3,371,896.80

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Solution

The fourth proportional to 10,945,720.80, 16,420,136.40 and 3,371,896.80 is: 5,058,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945,720.80 : 16,420,136.40 = 3,371,896.80 : x
  2. Step 2: Convert to fraction form
    10,945,720.80/16,420,136.40 = 3,371,896.80/x
  3. Step 3: Cross multiply
    10,945,720.80x = 16,420,136.40 × 3,371,896.80
  4. Step 4: Simplify right side
    10,945,720.80x = 55,367,005,382,723.52
  5. Step 5: Solve for x
    x = 55,367,005,382,723.52/10,945,720.80
  6. Step 6: Final answer
    x = 5,058,324.29

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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.