Home / 29,379,468.93-40,500,936.92-20,531,449.91

Finding the Fourth Proportional to 29,379,468.93, 40,500,936.92 and 20,531,449.91

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Solution

The fourth proportional to 29,379,468.93, 40,500,936.92 and 20,531,449.91 is: 28,303,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,468.93 : 40,500,936.92 = 20,531,449.91 : x
  2. Step 2: Convert to fraction form
    29,379,468.93/40,500,936.92 = 20,531,449.91/x
  3. Step 3: Cross multiply
    29,379,468.93x = 40,500,936.92 × 20,531,449.91
  4. Step 4: Simplify right side
    29,379,468.93x = 831,542,957,375,887.75
  5. Step 5: Solve for x
    x = 831,542,957,375,887.75/29,379,468.93
  6. Step 6: Final answer
    x = 28,303,539.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.