Home / 8,205,879.33-12,297,816.54-6,386,441.27

Finding the Fourth Proportional to 8,205,879.33, 12,297,816.54 and 6,386,441.27

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Solution

The fourth proportional to 8,205,879.33, 12,297,816.54 and 6,386,441.27 is: 9,571,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,879.33 : 12,297,816.54 = 6,386,441.27 : x
  2. Step 2: Convert to fraction form
    8,205,879.33/12,297,816.54 = 6,386,441.27/x
  3. Step 3: Cross multiply
    8,205,879.33x = 12,297,816.54 × 6,386,441.27
  4. Step 4: Simplify right side
    8,205,879.33x = 78,539,283,050,012.39
  5. Step 5: Solve for x
    x = 78,539,283,050,012.39/8,205,879.33
  6. Step 6: Final answer
    x = 9,571,098.96

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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.