Home / 22,588,805.70-31,172,467.41-12,801,114.90

Finding the Fourth Proportional to 22,588,805.70, 31,172,467.41 and 12,801,114.90

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Solution

The fourth proportional to 22,588,805.70, 31,172,467.41 and 12,801,114.90 is: 17,665,490.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,588,805.70 : 31,172,467.41 = 12,801,114.90 : x
  2. Step 2: Convert to fraction form
    22,588,805.70/31,172,467.41 = 12,801,114.90/x
  3. Step 3: Cross multiply
    22,588,805.70x = 31,172,467.41 × 12,801,114.90
  4. Step 4: Simplify right side
    22,588,805.70x = 399,042,337,031,915.44
  5. Step 5: Solve for x
    x = 399,042,337,031,915.44/22,588,805.70
  6. Step 6: Final answer
    x = 17,665,490.70

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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.