Home / 12,190,081.96-16,818,906.18-9,603,733.96

Finding the Fourth Proportional to 12,190,081.96, 16,818,906.18 and 9,603,733.96

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Solution

The fourth proportional to 12,190,081.96, 16,818,906.18 and 9,603,733.96 is: 13,250,468.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,081.96 : 16,818,906.18 = 9,603,733.96 : x
  2. Step 2: Convert to fraction form
    12,190,081.96/16,818,906.18 = 9,603,733.96/x
  3. Step 3: Cross multiply
    12,190,081.96x = 16,818,906.18 × 9,603,733.96
  4. Step 4: Simplify right side
    12,190,081.96x = 161,524,300,450,919.88
  5. Step 5: Solve for x
    x = 161,524,300,450,919.88/12,190,081.96
  6. Step 6: Final answer
    x = 13,250,468.78

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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.