Home / 36,288,138.30-54,432,207.45-12,353,610.30

Finding the Fourth Proportional to 36,288,138.30, 54,432,207.45 and 12,353,610.30

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Solution

The fourth proportional to 36,288,138.30, 54,432,207.45 and 12,353,610.30 is: 18,530,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288,138.30 : 54,432,207.45 = 12,353,610.30 : x
  2. Step 2: Convert to fraction form
    36,288,138.30/54,432,207.45 = 12,353,610.30/x
  3. Step 3: Cross multiply
    36,288,138.30x = 54,432,207.45 × 12,353,610.30
  4. Step 4: Simplify right side
    36,288,138.30x = 672,434,278,606,056.75
  5. Step 5: Solve for x
    x = 672,434,278,606,056.75/36,288,138.30
  6. Step 6: Final answer
    x = 18,530,415.45

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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.