Home / 26,472,986.80-39,709,480.20-8,522,090.80

Finding the Fourth Proportional to 26,472,986.80, 39,709,480.20 and 8,522,090.80

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Solution

The fourth proportional to 26,472,986.80, 39,709,480.20 and 8,522,090.80 is: 12,783,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472,986.80 : 39,709,480.20 = 8,522,090.80 : x
  2. Step 2: Convert to fraction form
    26,472,986.80/39,709,480.20 = 8,522,090.80/x
  3. Step 3: Cross multiply
    26,472,986.80x = 39,709,480.20 × 8,522,090.80
  4. Step 4: Simplify right side
    26,472,986.80x = 338,407,795,885,202.19
  5. Step 5: Solve for x
    x = 338,407,795,885,202.19/26,472,986.80
  6. Step 6: Final answer
    x = 12,783,136.20

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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.