Home / 8,205,879.39-12,297,816.63-6,386,441.33

Finding the Fourth Proportional to 8,205,879.39, 12,297,816.63 and 6,386,441.33

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Solution

The fourth proportional to 8,205,879.39, 12,297,816.63 and 6,386,441.33 is: 9,571,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,879.39 : 12,297,816.63 = 6,386,441.33 : x
  2. Step 2: Convert to fraction form
    8,205,879.39/12,297,816.63 = 6,386,441.33/x
  3. Step 3: Cross multiply
    8,205,879.39x = 12,297,816.63 × 6,386,441.33
  4. Step 4: Simplify right side
    8,205,879.39x = 78,539,284,425,337.86
  5. Step 5: Solve for x
    x = 78,539,284,425,337.86/8,205,879.39
  6. Step 6: Final answer
    x = 9,571,099.05

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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.