Home / 16,187,789.72-22,338,878.90-8,845,453.56

Finding the Fourth Proportional to 16,187,789.72, 22,338,878.90 and 8,845,453.56

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Solution

The fourth proportional to 16,187,789.72, 22,338,878.90 and 8,845,453.56 is: 12,206,577.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,187,789.72 : 22,338,878.90 = 8,845,453.56 : x
  2. Step 2: Convert to fraction form
    16,187,789.72/22,338,878.90 = 8,845,453.56/x
  3. Step 3: Cross multiply
    16,187,789.72x = 22,338,878.90 × 8,845,453.56
  4. Step 4: Simplify right side
    16,187,789.72x = 197,597,515,892,413.88
  5. Step 5: Solve for x
    x = 197,597,515,892,413.88/16,187,789.72
  6. Step 6: Final answer
    x = 12,206,577.88

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1.5x scale

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.