Home / 12,151,687.67-18,231,522.78-4,969,262.55

Finding the Fourth Proportional to 12,151,687.67, 18,231,522.78 and 4,969,262.55

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Solution

The fourth proportional to 12,151,687.67, 18,231,522.78 and 4,969,262.55 is: 7,455,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,687.67 : 18,231,522.78 = 4,969,262.55 : x
  2. Step 2: Convert to fraction form
    12,151,687.67/18,231,522.78 = 4,969,262.55/x
  3. Step 3: Cross multiply
    12,151,687.67x = 18,231,522.78 × 4,969,262.55
  4. Step 4: Simplify right side
    12,151,687.67x = 90,597,223,380,125.89
  5. Step 5: Solve for x
    x = 90,597,223,380,125.89/12,151,687.67
  6. Step 6: Final answer
    x = 7,455,526.00

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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.