Home / 36,380,367.20-54,578,132.40-12,126,828.80

Finding the Fourth Proportional to 36,380,367.20, 54,578,132.40 and 12,126,828.80

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Solution

The fourth proportional to 36,380,367.20, 54,578,132.40 and 12,126,828.80 is: 18,192,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380,367.20 : 54,578,132.40 = 12,126,828.80 : x
  2. Step 2: Convert to fraction form
    36,380,367.20/54,578,132.40 = 12,126,828.80/x
  3. Step 3: Cross multiply
    36,380,367.20x = 54,578,132.40 × 12,126,828.80
  4. Step 4: Simplify right side
    36,380,367.20x = 661,859,667,838,533.12
  5. Step 5: Solve for x
    x = 661,859,667,838,533.12/36,380,367.20
  6. Step 6: Final answer
    x = 18,192,770.41

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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.