Home / 13,608,003.40-20,412,005.10-8,233,232.20

Finding the Fourth Proportional to 13,608,003.40, 20,412,005.10 and 8,233,232.20

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Solution

The fourth proportional to 13,608,003.40, 20,412,005.10 and 8,233,232.20 is: 12,349,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,003.40 : 20,412,005.10 = 8,233,232.20 : x
  2. Step 2: Convert to fraction form
    13,608,003.40/20,412,005.10 = 8,233,232.20/x
  3. Step 3: Cross multiply
    13,608,003.40x = 20,412,005.10 × 8,233,232.20
  4. Step 4: Simplify right side
    13,608,003.40x = 168,056,777,655,884.25
  5. Step 5: Solve for x
    x = 168,056,777,655,884.25/13,608,003.40
  6. Step 6: Final answer
    x = 12,349,848.30

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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.