Home / 22,647,744.85-31,254,247.44-12,857,989.27

Finding the Fourth Proportional to 22,647,744.85, 31,254,247.44 and 12,857,989.27

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Solution

The fourth proportional to 22,647,744.85, 31,254,247.44 and 12,857,989.27 is: 17,744,229.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,647,744.85 : 31,254,247.44 = 12,857,989.27 : x
  2. Step 2: Convert to fraction form
    22,647,744.85/31,254,247.44 = 12,857,989.27/x
  3. Step 3: Cross multiply
    22,647,744.85x = 31,254,247.44 × 12,857,989.27
  4. Step 4: Simplify right side
    22,647,744.85x = 401,866,778,115,164.38
  5. Step 5: Solve for x
    x = 401,866,778,115,164.38/22,647,744.85
  6. Step 6: Final answer
    x = 17,744,229.32

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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.