Home / 5,215,477.80-7,823,216.70-4,949,757.30

Finding the Fourth Proportional to 5,215,477.80, 7,823,216.70 and 4,949,757.30

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Solution

The fourth proportional to 5,215,477.80, 7,823,216.70 and 4,949,757.30 is: 7,424,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,477.80 : 7,823,216.70 = 4,949,757.30 : x
  2. Step 2: Convert to fraction form
    5,215,477.80/7,823,216.70 = 4,949,757.30/x
  3. Step 3: Cross multiply
    5,215,477.80x = 7,823,216.70 × 4,949,757.30
  4. Step 4: Simplify right side
    5,215,477.80x = 38,723,023,970,306.91
  5. Step 5: Solve for x
    x = 38,723,023,970,306.91/5,215,477.80
  6. Step 6: Final answer
    x = 7,424,635.95

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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.