Home / 31,393,991.37-43,296,730.41-20,369,878.41

Finding the Fourth Proportional to 31,393,991.37, 43,296,730.41 and 20,369,878.41

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Solution

The fourth proportional to 31,393,991.37, 43,296,730.41 and 20,369,878.41 is: 28,092,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393,991.37 : 43,296,730.41 = 20,369,878.41 : x
  2. Step 2: Convert to fraction form
    31,393,991.37/43,296,730.41 = 20,369,878.41/x
  3. Step 3: Cross multiply
    31,393,991.37x = 43,296,730.41 × 20,369,878.41
  4. Step 4: Simplify right side
    31,393,991.37x = 881,949,134,002,249.38
  5. Step 5: Solve for x
    x = 881,949,134,002,249.38/31,393,991.37
  6. Step 6: Final answer
    x = 28,092,927.83

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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.