Home / 12,481,998.80-18,722,998.20-3,506,550.80

Finding the Fourth Proportional to 12,481,998.80, 18,722,998.20 and 3,506,550.80

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Solution

The fourth proportional to 12,481,998.80, 18,722,998.20 and 3,506,550.80 is: 5,259,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,998.80 : 18,722,998.20 = 3,506,550.80 : x
  2. Step 2: Convert to fraction form
    12,481,998.80/18,722,998.20 = 3,506,550.80/x
  3. Step 3: Cross multiply
    12,481,998.80x = 18,722,998.20 × 3,506,550.80
  4. Step 4: Simplify right side
    12,481,998.80x = 65,653,144,316,608.55
  5. Step 5: Solve for x
    x = 65,653,144,316,608.55/12,481,998.80
  6. Step 6: Final answer
    x = 5,259,826.20

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Double scale
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Similar ratio
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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.