Home / 36,811,962.80-55,217,944.20-12,542,823.80

Finding the Fourth Proportional to 36,811,962.80, 55,217,944.20 and 12,542,823.80

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Solution

The fourth proportional to 36,811,962.80, 55,217,944.20 and 12,542,823.80 is: 18,814,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,811,962.80 : 55,217,944.20 = 12,542,823.80 : x
  2. Step 2: Convert to fraction form
    36,811,962.80/55,217,944.20 = 12,542,823.80/x
  3. Step 3: Cross multiply
    36,811,962.80x = 55,217,944.20 × 12,542,823.80
  4. Step 4: Simplify right side
    36,811,962.80x = 692,588,944,698,832
  5. Step 5: Solve for x
    x = 692,588,944,698,832/36,811,962.80
  6. Step 6: Final answer
    x = 18,814,235.70

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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.