Home / 7,422,017.20-11,133,025.80-2,630,190.85

Finding the Fourth Proportional to 7,422,017.20, 11,133,025.80 and 2,630,190.85

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Solution

The fourth proportional to 7,422,017.20, 11,133,025.80 and 2,630,190.85 is: 3,945,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,017.20 : 11,133,025.80 = 2,630,190.85 : x
  2. Step 2: Convert to fraction form
    7,422,017.20/11,133,025.80 = 2,630,190.85/x
  3. Step 3: Cross multiply
    7,422,017.20x = 11,133,025.80 × 2,630,190.85
  4. Step 4: Simplify right side
    7,422,017.20x = 29,281,982,591,973.93
  5. Step 5: Solve for x
    x = 29,281,982,591,973.93/7,422,017.20
  6. Step 6: Final answer
    x = 3,945,286.28

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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.