Home / 22,558,464.21-31,131,175.53-13,738,328.85

Finding the Fourth Proportional to 22,558,464.21, 31,131,175.53 and 13,738,328.85

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Solution

The fourth proportional to 22,558,464.21, 31,131,175.53 and 13,738,328.85 is: 18,959,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558,464.21 : 31,131,175.53 = 13,738,328.85 : x
  2. Step 2: Convert to fraction form
    22,558,464.21/31,131,175.53 = 13,738,328.85/x
  3. Step 3: Cross multiply
    22,558,464.21x = 31,131,175.53 × 13,738,328.85
  4. Step 4: Simplify right side
    22,558,464.21x = 427,690,326,795,436.75
  5. Step 5: Solve for x
    x = 427,690,326,795,436.75/22,558,464.21
  6. Step 6: Final answer
    x = 18,959,195.22

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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.