Home / 13,372,214.20-20,058,321.30-11,459,026.60

Finding the Fourth Proportional to 13,372,214.20, 20,058,321.30 and 11,459,026.60

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Solution

The fourth proportional to 13,372,214.20, 20,058,321.30 and 11,459,026.60 is: 17,188,539.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,214.20 : 20,058,321.30 = 11,459,026.60 : x
  2. Step 2: Convert to fraction form
    13,372,214.20/20,058,321.30 = 11,459,026.60/x
  3. Step 3: Cross multiply
    13,372,214.20x = 20,058,321.30 × 11,459,026.60
  4. Step 4: Simplify right side
    13,372,214.20x = 229,848,837,328,046.59
  5. Step 5: Solve for x
    x = 229,848,837,328,046.59/13,372,214.20
  6. Step 6: Final answer
    x = 17,188,539.90

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Similar ratio
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1.5x scale

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.