Home / 9,181,811.80-13,772,717.70-8,189,788.60

Finding the Fourth Proportional to 9,181,811.80, 13,772,717.70 and 8,189,788.60

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Solution

The fourth proportional to 9,181,811.80, 13,772,717.70 and 8,189,788.60 is: 12,284,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,811.80 : 13,772,717.70 = 8,189,788.60 : x
  2. Step 2: Convert to fraction form
    9,181,811.80/13,772,717.70 = 8,189,788.60/x
  3. Step 3: Cross multiply
    9,181,811.80x = 13,772,717.70 × 8,189,788.60
  4. Step 4: Simplify right side
    9,181,811.80x = 112,795,646,410,478.20
  5. Step 5: Solve for x
    x = 112,795,646,410,478.20/9,181,811.80
  6. Step 6: Final answer
    x = 12,284,682.90

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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.