Home / 40,022,103.29-60,039,121.34-12,729,286.44

Finding the Fourth Proportional to 40,022,103.29, 60,039,121.34 and 12,729,286.44

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Solution

The fourth proportional to 40,022,103.29, 60,039,121.34 and 12,729,286.44 is: 19,095,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022,103.29 : 60,039,121.34 = 12,729,286.44 : x
  2. Step 2: Convert to fraction form
    40,022,103.29/60,039,121.34 = 12,729,286.44/x
  3. Step 3: Cross multiply
    40,022,103.29x = 60,039,121.34 × 12,729,286.44
  4. Step 4: Simplify right side
    40,022,103.29x = 764,255,173,174,599.88
  5. Step 5: Solve for x
    x = 764,255,173,174,599.88/40,022,103.29
  6. Step 6: Final answer
    x = 19,095,827.32

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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.