Home / 36,811,940.80-55,217,911.20-12,542,801.80

Finding the Fourth Proportional to 36,811,940.80, 55,217,911.20 and 12,542,801.80

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Solution

The fourth proportional to 36,811,940.80, 55,217,911.20 and 12,542,801.80 is: 18,814,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,811,940.80 : 55,217,911.20 = 12,542,801.80 : x
  2. Step 2: Convert to fraction form
    36,811,940.80/55,217,911.20 = 12,542,801.80/x
  3. Step 3: Cross multiply
    36,811,940.80x = 55,217,911.20 × 12,542,801.80
  4. Step 4: Simplify right side
    36,811,940.80x = 692,587,315,991,600.25
  5. Step 5: Solve for x
    x = 692,587,315,991,600.25/36,811,940.80
  6. Step 6: Final answer
    x = 18,814,202.70

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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.