Home / 22,188,058.25-30,618,932.99-12,398,582.86

Finding the Fourth Proportional to 22,188,058.25, 30,618,932.99 and 12,398,582.86

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Solution

The fourth proportional to 22,188,058.25, 30,618,932.99 and 12,398,582.86 is: 17,109,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188,058.25 : 30,618,932.99 = 12,398,582.86 : x
  2. Step 2: Convert to fraction form
    22,188,058.25/30,618,932.99 = 12,398,582.86/x
  3. Step 3: Cross multiply
    22,188,058.25x = 30,618,932.99 × 12,398,582.86
  4. Step 4: Simplify right side
    22,188,058.25x = 379,631,377,622,762.31
  5. Step 5: Solve for x
    x = 379,631,377,622,762.31/22,188,058.25
  6. Step 6: Final answer
    x = 17,109,716.11

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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.