Home / 36,380,375.70-54,578,145.15-12,126,837.30

Finding the Fourth Proportional to 36,380,375.70, 54,578,145.15 and 12,126,837.30

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Solution

The fourth proportional to 36,380,375.70, 54,578,145.15 and 12,126,837.30 is: 18,192,783.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380,375.70 : 54,578,145.15 = 12,126,837.30 : x
  2. Step 2: Convert to fraction form
    36,380,375.70/54,578,145.15 = 12,126,837.30/x
  3. Step 3: Cross multiply
    36,380,375.70x = 54,578,145.15 × 12,126,837.30
  4. Step 4: Simplify right side
    36,380,375.70x = 661,860,286,369,834.12
  5. Step 5: Solve for x
    x = 661,860,286,369,834.12/36,380,375.70
  6. Step 6: Final answer
    x = 18,192,783.16

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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.