Home / 36,379,559.70-54,576,921.15-12,126,021.30

Finding the Fourth Proportional to 36,379,559.70, 54,576,921.15 and 12,126,021.30

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Solution

The fourth proportional to 36,379,559.70, 54,576,921.15 and 12,126,021.30 is: 18,191,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,379,559.70 : 54,576,921.15 = 12,126,021.30 : x
  2. Step 2: Convert to fraction form
    36,379,559.70/54,576,921.15 = 12,126,021.30/x
  3. Step 3: Cross multiply
    36,379,559.70x = 54,576,921.15 × 12,126,021.30
  4. Step 4: Simplify right side
    36,379,559.70x = 661,800,908,353,320.50
  5. Step 5: Solve for x
    x = 661,800,908,353,320.50/36,379,559.70
  6. Step 6: Final answer
    x = 18,191,559.05

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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.