Home / 13,102,786.80-19,654,180.20-12,305,625.30

Finding the Fourth Proportional to 13,102,786.80, 19,654,180.20 and 12,305,625.30

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Solution

The fourth proportional to 13,102,786.80, 19,654,180.20 and 12,305,625.30 is: 18,458,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,786.80 : 19,654,180.20 = 12,305,625.30 : x
  2. Step 2: Convert to fraction form
    13,102,786.80/19,654,180.20 = 12,305,625.30/x
  3. Step 3: Cross multiply
    13,102,786.80x = 19,654,180.20 × 12,305,625.30
  4. Step 4: Simplify right side
    13,102,786.80x = 241,856,977,119,879.06
  5. Step 5: Solve for x
    x = 241,856,977,119,879.06/13,102,786.80
  6. Step 6: Final answer
    x = 18,458,437.95

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1.5x scale

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.