Home / 18,665,635.91-25,758,687.65-10,829,813.85

Finding the Fourth Proportional to 18,665,635.91, 25,758,687.65 and 10,829,813.85

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Solution

The fourth proportional to 18,665,635.91, 25,758,687.65 and 10,829,813.85 is: 14,945,206.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,635.91 : 25,758,687.65 = 10,829,813.85 : x
  2. Step 2: Convert to fraction form
    18,665,635.91/25,758,687.65 = 10,829,813.85/x
  3. Step 3: Cross multiply
    18,665,635.91x = 25,758,687.65 × 10,829,813.85
  4. Step 4: Simplify right side
    18,665,635.91x = 278,961,792,215,644.88
  5. Step 5: Solve for x
    x = 278,961,792,215,644.88/18,665,635.91
  6. Step 6: Final answer
    x = 14,945,206.99

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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.