Home / 7,240,815.20-10,858,015.20-2,447,202.80

Finding the Fourth Proportional to 7,240,815.20, 10,858,015.20 and 2,447,202.80

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Solution

The fourth proportional to 7,240,815.20, 10,858,015.20 and 2,447,202.80 is: 3,669,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,815.20 : 10,858,015.20 = 2,447,202.80 : x
  2. Step 2: Convert to fraction form
    7,240,815.20/10,858,015.20 = 2,447,202.80/x
  3. Step 3: Cross multiply
    7,240,815.20x = 10,858,015.20 × 2,447,202.80
  4. Step 4: Simplify right side
    7,240,815.20x = 26,571,765,199,882.55
  5. Step 5: Solve for x
    x = 26,571,765,199,882.55/7,240,815.20
  6. Step 6: Final answer
    x = 3,669,720.12

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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.