Home / 6,990,325.20-10,472,054.13-4,286,766.78

Finding the Fourth Proportional to 6,990,325.20, 10,472,054.13 and 4,286,766.78

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Solution

The fourth proportional to 6,990,325.20, 10,472,054.13 and 4,286,766.78 is: 6,421,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,325.20 : 10,472,054.13 = 4,286,766.78 : x
  2. Step 2: Convert to fraction form
    6,990,325.20/10,472,054.13 = 4,286,766.78/x
  3. Step 3: Cross multiply
    6,990,325.20x = 10,472,054.13 × 4,286,766.78
  4. Step 4: Simplify right side
    6,990,325.20x = 44,891,253,762,845.80
  5. Step 5: Solve for x
    x = 44,891,253,762,845.80/6,990,325.20
  6. Step 6: Final answer
    x = 6,421,912.07

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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.