Home / 7,286,911.20-10,930,366.80-3,499,480.80

Finding the Fourth Proportional to 7,286,911.20, 10,930,366.80 and 3,499,480.80

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Solution

The fourth proportional to 7,286,911.20, 10,930,366.80 and 3,499,480.80 is: 5,249,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286,911.20 : 10,930,366.80 = 3,499,480.80 : x
  2. Step 2: Convert to fraction form
    7,286,911.20/10,930,366.80 = 3,499,480.80/x
  3. Step 3: Cross multiply
    7,286,911.20x = 10,930,366.80 × 3,499,480.80
  4. Step 4: Simplify right side
    7,286,911.20x = 38,250,608,753,557.44
  5. Step 5: Solve for x
    x = 38,250,608,753,557.44/7,286,911.20
  6. Step 6: Final answer
    x = 5,249,221.20

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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.