Home / 13,189,329.20-19,783,993.80-10,921,847.60

Finding the Fourth Proportional to 13,189,329.20, 19,783,993.80 and 10,921,847.60

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Solution

The fourth proportional to 13,189,329.20, 19,783,993.80 and 10,921,847.60 is: 16,382,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,329.20 : 19,783,993.80 = 10,921,847.60 : x
  2. Step 2: Convert to fraction form
    13,189,329.20/19,783,993.80 = 10,921,847.60/x
  3. Step 3: Cross multiply
    13,189,329.20x = 19,783,993.80 × 10,921,847.60
  4. Step 4: Simplify right side
    13,189,329.20x = 216,077,765,202,944.88
  5. Step 5: Solve for x
    x = 216,077,765,202,944.88/13,189,329.20
  6. Step 6: Final answer
    x = 16,382,771.40

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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.