Home / 6,990,752.20-10,465,133.10-4,149,401.80

Finding the Fourth Proportional to 6,990,752.20, 10,465,133.10 and 4,149,401.80

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Solution

The fourth proportional to 6,990,752.20, 10,465,133.10 and 4,149,401.80 is: 6,211,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,752.20 : 10,465,133.10 = 4,149,401.80 : x
  2. Step 2: Convert to fraction form
    6,990,752.20/10,465,133.10 = 4,149,401.80/x
  3. Step 3: Cross multiply
    6,990,752.20x = 10,465,133.10 × 4,149,401.80
  4. Step 4: Simplify right side
    6,990,752.20x = 43,424,042,122,379.58
  5. Step 5: Solve for x
    x = 43,424,042,122,379.58/6,990,752.20
  6. Step 6: Final answer
    x = 6,211,640.88

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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.