Home / 7,879,284.36-11,824,245-3,086,379.36

Finding the Fourth Proportional to 7,879,284.36, 11,824,245 and 3,086,379.36

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Solution

The fourth proportional to 7,879,284.36, 11,824,245 and 3,086,379.36 is: 4,631,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,284.36 : 11,824,245 = 3,086,379.36 : x
  2. Step 2: Convert to fraction form
    7,879,284.36/11,824,245 = 3,086,379.36/x
  3. Step 3: Cross multiply
    7,879,284.36x = 11,824,245 × 3,086,379.36
  4. Step 4: Simplify right side
    7,879,284.36x = 36,494,105,715,583.20
  5. Step 5: Solve for x
    x = 36,494,105,715,583.20/7,879,284.36
  6. Step 6: Final answer
    x = 4,631,652.32

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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.