Home / 21,493,855.44-29,661,522.48-11,704,296.78

Finding the Fourth Proportional to 21,493,855.44, 29,661,522.48 and 11,704,296.78

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Solution

The fourth proportional to 21,493,855.44, 29,661,522.48 and 11,704,296.78 is: 16,151,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,855.44 : 29,661,522.48 = 11,704,296.78 : x
  2. Step 2: Convert to fraction form
    21,493,855.44/29,661,522.48 = 11,704,296.78/x
  3. Step 3: Cross multiply
    21,493,855.44x = 29,661,522.48 × 11,704,296.78
  4. Step 4: Simplify right side
    21,493,855.44x = 347,167,262,052,561.62
  5. Step 5: Solve for x
    x = 347,167,262,052,561.62/21,493,855.44
  6. Step 6: Final answer
    x = 16,151,930.63

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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.