Home / 13,188,906.30-19,783,359.45-8,150,058.30

Finding the Fourth Proportional to 13,188,906.30, 19,783,359.45 and 8,150,058.30

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Solution

The fourth proportional to 13,188,906.30, 19,783,359.45 and 8,150,058.30 is: 12,225,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,906.30 : 19,783,359.45 = 8,150,058.30 : x
  2. Step 2: Convert to fraction form
    13,188,906.30/19,783,359.45 = 8,150,058.30/x
  3. Step 3: Cross multiply
    13,188,906.30x = 19,783,359.45 × 8,150,058.30
  4. Step 4: Simplify right side
    13,188,906.30x = 161,235,532,887,355.94
  5. Step 5: Solve for x
    x = 161,235,532,887,355.94/13,188,906.30
  6. Step 6: Final answer
    x = 12,225,087.45

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Double scale
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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.