Home / 8,195,504.80-12,289,570.80-3,145,136.80

Finding the Fourth Proportional to 8,195,504.80, 12,289,570.80 and 3,145,136.80

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Solution

The fourth proportional to 8,195,504.80, 12,289,570.80 and 3,145,136.80 is: 4,716,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195,504.80 : 12,289,570.80 = 3,145,136.80 : x
  2. Step 2: Convert to fraction form
    8,195,504.80/12,289,570.80 = 3,145,136.80/x
  3. Step 3: Cross multiply
    8,195,504.80x = 12,289,570.80 × 3,145,136.80
  4. Step 4: Simplify right side
    8,195,504.80x = 38,652,381,379,285.44
  5. Step 5: Solve for x
    x = 38,652,381,379,285.44/8,195,504.80
  6. Step 6: Final answer
    x = 4,716,290.49

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Double scale
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1.5x scale

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.