Home / 13,725,388.20-20,588,082.30-3,490,228.20

Finding the Fourth Proportional to 13,725,388.20, 20,588,082.30 and 3,490,228.20

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Solution

The fourth proportional to 13,725,388.20, 20,588,082.30 and 3,490,228.20 is: 5,235,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725,388.20 : 20,588,082.30 = 3,490,228.20 : x
  2. Step 2: Convert to fraction form
    13,725,388.20/20,588,082.30 = 3,490,228.20/x
  3. Step 3: Cross multiply
    13,725,388.20x = 20,588,082.30 × 3,490,228.20
  4. Step 4: Simplify right side
    13,725,388.20x = 71,857,105,427,380.86
  5. Step 5: Solve for x
    x = 71,857,105,427,380.86/13,725,388.20
  6. Step 6: Final answer
    x = 5,235,342.30

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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.