Home / 18,940,566.75-26,120,550.82-12,411,825

Finding the Fourth Proportional to 18,940,566.75, 26,120,550.82 and 12,411,825

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Solution

The fourth proportional to 18,940,566.75, 26,120,550.82 and 12,411,825 is: 17,116,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,566.75 : 26,120,550.82 = 12,411,825 : x
  2. Step 2: Convert to fraction form
    18,940,566.75/26,120,550.82 = 12,411,825/x
  3. Step 3: Cross multiply
    18,940,566.75x = 26,120,550.82 × 12,411,825
  4. Step 4: Simplify right side
    18,940,566.75x = 324,203,705,681,446.50
  5. Step 5: Solve for x
    x = 324,203,705,681,446.50/18,940,566.75
  6. Step 6: Final answer
    x = 17,116,895.71

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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.