Home / 21,493,858.44-29,661,526.62-11,704,299.78

Finding the Fourth Proportional to 21,493,858.44, 29,661,526.62 and 11,704,299.78

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Solution

The fourth proportional to 21,493,858.44, 29,661,526.62 and 11,704,299.78 is: 16,151,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,493,858.44 : 29,661,526.62 = 11,704,299.78 : x
  2. Step 2: Convert to fraction form
    21,493,858.44/29,661,526.62 = 11,704,299.78/x
  3. Step 3: Cross multiply
    21,493,858.44x = 29,661,526.62 × 11,704,299.78
  4. Step 4: Simplify right side
    21,493,858.44x = 347,167,399,492,930.12
  5. Step 5: Solve for x
    x = 347,167,399,492,930.12/21,493,858.44
  6. Step 6: Final answer
    x = 16,151,934.77

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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.