Home / 12,394,518.30-18,591,777.45-11,012,771.70

Finding the Fourth Proportional to 12,394,518.30, 18,591,777.45 and 11,012,771.70

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Solution

The fourth proportional to 12,394,518.30, 18,591,777.45 and 11,012,771.70 is: 16,519,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,518.30 : 18,591,777.45 = 11,012,771.70 : x
  2. Step 2: Convert to fraction form
    12,394,518.30/18,591,777.45 = 11,012,771.70/x
  3. Step 3: Cross multiply
    12,394,518.30x = 18,591,777.45 × 11,012,771.70
  4. Step 4: Simplify right side
    12,394,518.30x = 204,747,000,554,058.16
  5. Step 5: Solve for x
    x = 204,747,000,554,058.16/12,394,518.30
  6. Step 6: Final answer
    x = 16,519,157.55

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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.