Home / 8,320,067.28-11,482,136.37-4,649,072.96

Finding the Fourth Proportional to 8,320,067.28, 11,482,136.37 and 4,649,072.96

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Solution

The fourth proportional to 8,320,067.28, 11,482,136.37 and 4,649,072.96 is: 6,415,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,067.28 : 11,482,136.37 = 4,649,072.96 : x
  2. Step 2: Convert to fraction form
    8,320,067.28/11,482,136.37 = 4,649,072.96/x
  3. Step 3: Cross multiply
    8,320,067.28x = 11,482,136.37 × 4,649,072.96
  4. Step 4: Simplify right side
    8,320,067.28x = 53,381,289,749,504.90
  5. Step 5: Solve for x
    x = 53,381,289,749,504.90/8,320,067.28
  6. Step 6: Final answer
    x = 6,415,968.52

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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.