Home / 13,183,493.70-19,775,240.55-13,099,512.90

Finding the Fourth Proportional to 13,183,493.70, 19,775,240.55 and 13,099,512.90

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Solution

The fourth proportional to 13,183,493.70, 19,775,240.55 and 13,099,512.90 is: 19,649,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183,493.70 : 19,775,240.55 = 13,099,512.90 : x
  2. Step 2: Convert to fraction form
    13,183,493.70/19,775,240.55 = 13,099,512.90/x
  3. Step 3: Cross multiply
    13,183,493.70x = 19,775,240.55 × 13,099,512.90
  4. Step 4: Simplify right side
    13,183,493.70x = 259,046,018,685,328.12
  5. Step 5: Solve for x
    x = 259,046,018,685,328.12/13,183,493.70
  6. Step 6: Final answer
    x = 19,649,269.35

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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.