Home / 13,599,250.80-20,398,876.20-12,801,433.20

Finding the Fourth Proportional to 13,599,250.80, 20,398,876.20 and 12,801,433.20

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Solution

The fourth proportional to 13,599,250.80, 20,398,876.20 and 12,801,433.20 is: 19,202,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,250.80 : 20,398,876.20 = 12,801,433.20 : x
  2. Step 2: Convert to fraction form
    13,599,250.80/20,398,876.20 = 12,801,433.20/x
  3. Step 3: Cross multiply
    13,599,250.80x = 20,398,876.20 × 12,801,433.20
  4. Step 4: Simplify right side
    13,599,250.80x = 261,134,851,029,369.81
  5. Step 5: Solve for x
    x = 261,134,851,029,369.81/13,599,250.80
  6. Step 6: Final answer
    x = 19,202,149.80

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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.