Home / 7,246,438.30-9,999,972.75-3,983,183.20

Finding the Fourth Proportional to 7,246,438.30, 9,999,972.75 and 3,983,183.20

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Solution

The fourth proportional to 7,246,438.30, 9,999,972.75 and 3,983,183.20 is: 5,496,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246,438.30 : 9,999,972.75 = 3,983,183.20 : x
  2. Step 2: Convert to fraction form
    7,246,438.30/9,999,972.75 = 3,983,183.20/x
  3. Step 3: Cross multiply
    7,246,438.30x = 9,999,972.75 × 3,983,183.20
  4. Step 4: Simplify right side
    7,246,438.30x = 39,831,723,458,257.80
  5. Step 5: Solve for x
    x = 39,831,723,458,257.80/7,246,438.30
  6. Step 6: Final answer
    x = 5,496,731.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.