Home / 20,199,016.20-30,298,524.30-14,140,588.80

Finding the Fourth Proportional to 20,199,016.20, 30,298,524.30 and 14,140,588.80

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Solution

The fourth proportional to 20,199,016.20, 30,298,524.30 and 14,140,588.80 is: 21,210,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199,016.20 : 30,298,524.30 = 14,140,588.80 : x
  2. Step 2: Convert to fraction form
    20,199,016.20/30,298,524.30 = 14,140,588.80/x
  3. Step 3: Cross multiply
    20,199,016.20x = 30,298,524.30 × 14,140,588.80
  4. Step 4: Simplify right side
    20,199,016.20x = 428,438,973,373,107.88
  5. Step 5: Solve for x
    x = 428,438,973,373,107.88/20,199,016.20
  6. Step 6: Final answer
    x = 21,210,883.20

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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.