Home / 20,159,200.40-30,250,610.40-7,380,996.80

Finding the Fourth Proportional to 20,159,200.40, 30,250,610.40 and 7,380,996.80

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Solution

The fourth proportional to 20,159,200.40, 30,250,610.40 and 7,380,996.80 is: 11,075,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,200.40 : 30,250,610.40 = 7,380,996.80 : x
  2. Step 2: Convert to fraction form
    20,159,200.40/30,250,610.40 = 7,380,996.80/x
  3. Step 3: Cross multiply
    20,159,200.40x = 30,250,610.40 × 7,380,996.80
  4. Step 4: Simplify right side
    20,159,200.40x = 223,279,658,560,446.72
  5. Step 5: Solve for x
    x = 223,279,658,560,446.72/20,159,200.40
  6. Step 6: Final answer
    x = 11,075,819.19

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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.