Home / 12,189,450.96-16,821,578.88-6,963,150.96

Finding the Fourth Proportional to 12,189,450.96, 16,821,578.88 and 6,963,150.96

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Solution

The fourth proportional to 12,189,450.96, 16,821,578.88 and 6,963,150.96 is: 9,609,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,450.96 : 16,821,578.88 = 6,963,150.96 : x
  2. Step 2: Convert to fraction form
    12,189,450.96/16,821,578.88 = 6,963,150.96/x
  3. Step 3: Cross multiply
    12,189,450.96x = 16,821,578.88 × 6,963,150.96
  4. Step 4: Simplify right side
    12,189,450.96x = 117,131,193,126,987.72
  5. Step 5: Solve for x
    x = 117,131,193,126,987.72/12,189,450.96
  6. Step 6: Final answer
    x = 9,609,226.33

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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.