Home / 20,001,772.80-30,002,659.20-13,544,764.65

Finding the Fourth Proportional to 20,001,772.80, 30,002,659.20 and 13,544,764.65

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Solution

The fourth proportional to 20,001,772.80, 30,002,659.20 and 13,544,764.65 is: 20,317,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001,772.80 : 30,002,659.20 = 13,544,764.65 : x
  2. Step 2: Convert to fraction form
    20,001,772.80/30,002,659.20 = 13,544,764.65/x
  3. Step 3: Cross multiply
    20,001,772.80x = 30,002,659.20 × 13,544,764.65
  4. Step 4: Simplify right side
    20,001,772.80x = 406,378,957,738,157.25
  5. Step 5: Solve for x
    x = 406,378,957,738,157.25/20,001,772.80
  6. Step 6: Final answer
    x = 20,317,146.98

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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.