Home / 6,650,916.20-9,979,311.90-3,237,309.80

Finding the Fourth Proportional to 6,650,916.20, 9,979,311.90 and 3,237,309.80

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Solution

The fourth proportional to 6,650,916.20, 9,979,311.90 and 3,237,309.80 is: 4,857,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,916.20 : 9,979,311.90 = 3,237,309.80 : x
  2. Step 2: Convert to fraction form
    6,650,916.20/9,979,311.90 = 3,237,309.80/x
  3. Step 3: Cross multiply
    6,650,916.20x = 9,979,311.90 × 3,237,309.80
  4. Step 4: Simplify right side
    6,650,916.20x = 32,306,124,211,126.62
  5. Step 5: Solve for x
    x = 32,306,124,211,126.62/6,650,916.20
  6. Step 6: Final answer
    x = 4,857,394.57

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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.