Home / 20,946,375.20-31,419,247.47-9,423,705.43

Finding the Fourth Proportional to 20,946,375.20, 31,419,247.47 and 9,423,705.43

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Solution

The fourth proportional to 20,946,375.20, 31,419,247.47 and 9,423,705.43 is: 14,135,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,375.20 : 31,419,247.47 = 9,423,705.43 : x
  2. Step 2: Convert to fraction form
    20,946,375.20/31,419,247.47 = 9,423,705.43/x
  3. Step 3: Cross multiply
    20,946,375.20x = 31,419,247.47 × 9,423,705.43
  4. Step 4: Simplify right side
    20,946,375.20x = 296,085,732,993,487.94
  5. Step 5: Solve for x
    x = 296,085,732,993,487.94/20,946,375.20
  6. Step 6: Final answer
    x = 14,135,416.28

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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.