Home / 6,986,566.20-10,479,849.30-4,145,215.80

Finding the Fourth Proportional to 6,986,566.20, 10,479,849.30 and 4,145,215.80

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Solution

The fourth proportional to 6,986,566.20, 10,479,849.30 and 4,145,215.80 is: 6,217,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,566.20 : 10,479,849.30 = 4,145,215.80 : x
  2. Step 2: Convert to fraction form
    6,986,566.20/10,479,849.30 = 4,145,215.80/x
  3. Step 3: Cross multiply
    6,986,566.20x = 10,479,849.30 × 4,145,215.80
  4. Step 4: Simplify right side
    6,986,566.20x = 43,441,236,899,978.94
  5. Step 5: Solve for x
    x = 43,441,236,899,978.94/6,986,566.20
  6. Step 6: Final answer
    x = 6,217,823.70

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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.