Home / 22,188,058.75-30,618,933.68-12,398,583.36

Finding the Fourth Proportional to 22,188,058.75, 30,618,933.68 and 12,398,583.36

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Solution

The fourth proportional to 22,188,058.75, 30,618,933.68 and 12,398,583.36 is: 17,109,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188,058.75 : 30,618,933.68 = 12,398,583.36 : x
  2. Step 2: Convert to fraction form
    22,188,058.75/30,618,933.68 = 12,398,583.36/x
  3. Step 3: Cross multiply
    22,188,058.75x = 30,618,933.68 × 12,398,583.36
  4. Step 4: Simplify right side
    22,188,058.75x = 379,631,401,563,798.62
  5. Step 5: Solve for x
    x = 379,631,401,563,798.62/22,188,058.75
  6. Step 6: Final answer
    x = 17,109,716.80

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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.