Home / 21,515,213.30-32,282,327.77-11,277,625.23

Finding the Fourth Proportional to 21,515,213.30, 32,282,327.77 and 11,277,625.23

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Solution

The fourth proportional to 21,515,213.30, 32,282,327.77 and 11,277,625.23 is: 16,921,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,515,213.30 : 32,282,327.77 = 11,277,625.23 : x
  2. Step 2: Convert to fraction form
    21,515,213.30/32,282,327.77 = 11,277,625.23/x
  3. Step 3: Cross multiply
    21,515,213.30x = 32,282,327.77 × 11,277,625.23
  4. Step 4: Simplify right side
    21,515,213.30x = 364,067,994,142,081.62
  5. Step 5: Solve for x
    x = 364,067,994,142,081.62/21,515,213.30
  6. Step 6: Final answer
    x = 16,921,421.56

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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.