Home / 16,693,193.68-25,043,382.92-5,178,431.44

Finding the Fourth Proportional to 16,693,193.68, 25,043,382.92 and 5,178,431.44

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Solution

The fourth proportional to 16,693,193.68, 25,043,382.92 and 5,178,431.44 is: 7,768,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693,193.68 : 25,043,382.92 = 5,178,431.44 : x
  2. Step 2: Convert to fraction form
    16,693,193.68/25,043,382.92 = 5,178,431.44/x
  3. Step 3: Cross multiply
    16,693,193.68x = 25,043,382.92 × 5,178,431.44
  4. Step 4: Simplify right side
    16,693,193.68x = 129,685,441,476,887.03
  5. Step 5: Solve for x
    x = 129,685,441,476,887.03/16,693,193.68
  6. Step 6: Final answer
    x = 7,768,761.57

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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.