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Finding the Fourth Proportional to 16,659,491.40, 24,972,648.30 and 7,668,361.80

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Solution

The fourth proportional to 16,659,491.40, 24,972,648.30 and 7,668,361.80 is: 11,494,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659,491.40 : 24,972,648.30 = 7,668,361.80 : x
  2. Step 2: Convert to fraction form
    16,659,491.40/24,972,648.30 = 7,668,361.80/x
  3. Step 3: Cross multiply
    16,659,491.40x = 24,972,648.30 × 7,668,361.80
  4. Step 4: Simplify right side
    16,659,491.40x = 191,499,302,268,554.94
  5. Step 5: Solve for x
    x = 191,499,302,268,554.94/16,659,491.40
  6. Step 6: Final answer
    x = 11,494,906.88

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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.