Home / 12,177,728-18,267,670.92-3,202,280

Finding the Fourth Proportional to 12,177,728, 18,267,670.92 and 3,202,280

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Solution

The fourth proportional to 12,177,728, 18,267,670.92 and 3,202,280 is: 4,803,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,728 : 18,267,670.92 = 3,202,280 : x
  2. Step 2: Convert to fraction form
    12,177,728/18,267,670.92 = 3,202,280/x
  3. Step 3: Cross multiply
    12,177,728x = 18,267,670.92 × 3,202,280
  4. Step 4: Simplify right side
    12,177,728x = 58,498,197,233,697.61
  5. Step 5: Solve for x
    x = 58,498,197,233,697.61/12,177,728
  6. Step 6: Final answer
    x = 4,803,703.71

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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.