Home / 20,591,586.80-30,887,380.20-5,238,846.80

Finding the Fourth Proportional to 20,591,586.80, 30,887,380.20 and 5,238,846.80

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Solution

The fourth proportional to 20,591,586.80, 30,887,380.20 and 5,238,846.80 is: 7,858,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591,586.80 : 30,887,380.20 = 5,238,846.80 : x
  2. Step 2: Convert to fraction form
    20,591,586.80/30,887,380.20 = 5,238,846.80/x
  3. Step 3: Cross multiply
    20,591,586.80x = 30,887,380.20 × 5,238,846.80
  4. Step 4: Simplify right side
    20,591,586.80x = 161,814,252,921,153.34
  5. Step 5: Solve for x
    x = 161,814,252,921,153.34/20,591,586.80
  6. Step 6: Final answer
    x = 7,858,270.20

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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.