Home / 15,191,914.44-20,964,840.24-8,222,590.80

Finding the Fourth Proportional to 15,191,914.44, 20,964,840.24 and 8,222,590.80

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Solution

The fourth proportional to 15,191,914.44, 20,964,840.24 and 8,222,590.80 is: 11,347,174.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,914.44 : 20,964,840.24 = 8,222,590.80 : x
  2. Step 2: Convert to fraction form
    15,191,914.44/20,964,840.24 = 8,222,590.80/x
  3. Step 3: Cross multiply
    15,191,914.44x = 20,964,840.24 × 8,222,590.80
  4. Step 4: Simplify right side
    15,191,914.44x = 172,385,302,480,893.78
  5. Step 5: Solve for x
    x = 172,385,302,480,893.78/15,191,914.44
  6. Step 6: Final answer
    x = 11,347,174.39

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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.