Home / 31,393,996.38-43,296,737.32-20,369,883.42

Finding the Fourth Proportional to 31,393,996.38, 43,296,737.32 and 20,369,883.42

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Solution

The fourth proportional to 31,393,996.38, 43,296,737.32 and 20,369,883.42 is: 28,092,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393,996.38 : 43,296,737.32 = 20,369,883.42 : x
  2. Step 2: Convert to fraction form
    31,393,996.38/43,296,737.32 = 20,369,883.42/x
  3. Step 3: Cross multiply
    31,393,996.38x = 43,296,737.32 × 20,369,883.42
  4. Step 4: Simplify right side
    31,393,996.38x = 881,949,491,674,763.38
  5. Step 5: Solve for x
    x = 881,949,491,674,763.38/31,393,996.38
  6. Step 6: Final answer
    x = 28,092,934.74

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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.