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Finding the Fourth Proportional to 33,611,108.80, 50,409,664.80 and 14,442,491.20

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Solution

The fourth proportional to 33,611,108.80, 50,409,664.80 and 14,442,491.20 is: 21,660,729.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,611,108.80 : 50,409,664.80 = 14,442,491.20 : x
  2. Step 2: Convert to fraction form
    33,611,108.80/50,409,664.80 = 14,442,491.20/x
  3. Step 3: Cross multiply
    33,611,108.80x = 50,409,664.80 × 14,442,491.20
  4. Step 4: Simplify right side
    33,611,108.80x = 728,041,140,268,949.62
  5. Step 5: Solve for x
    x = 728,041,140,268,949.62/33,611,108.80
  6. Step 6: Final answer
    x = 21,660,729.63

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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.