Home / 14,093,896.80-21,140,845.20-11,904,175.20

Finding the Fourth Proportional to 14,093,896.80, 21,140,845.20 and 11,904,175.20

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Solution

The fourth proportional to 14,093,896.80, 21,140,845.20 and 11,904,175.20 is: 17,856,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093,896.80 : 21,140,845.20 = 11,904,175.20 : x
  2. Step 2: Convert to fraction form
    14,093,896.80/21,140,845.20 = 11,904,175.20/x
  3. Step 3: Cross multiply
    14,093,896.80x = 21,140,845.20 × 11,904,175.20
  4. Step 4: Simplify right side
    14,093,896.80x = 251,664,325,136,879
  5. Step 5: Solve for x
    x = 251,664,325,136,879/14,093,896.80
  6. Step 6: Final answer
    x = 17,856,262.80

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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.