Home / 7,448,049.45-11,172,074.18-3,854,917.80

Finding the Fourth Proportional to 7,448,049.45, 11,172,074.18 and 3,854,917.80

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Solution

The fourth proportional to 7,448,049.45, 11,172,074.18 and 3,854,917.80 is: 5,782,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,049.45 : 11,172,074.18 = 3,854,917.80 : x
  2. Step 2: Convert to fraction form
    7,448,049.45/11,172,074.18 = 3,854,917.80/x
  3. Step 3: Cross multiply
    7,448,049.45x = 11,172,074.18 × 3,854,917.80
  4. Step 4: Simplify right side
    7,448,049.45x = 43,067,427,600,127.81
  5. Step 5: Solve for x
    x = 43,067,427,600,127.81/7,448,049.45
  6. Step 6: Final answer
    x = 5,782,376.70

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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.