Home / 20,295,311.22-30,448,047.15-5,918,380.65

Finding the Fourth Proportional to 20,295,311.22, 30,448,047.15 and 5,918,380.65

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Solution

The fourth proportional to 20,295,311.22, 30,448,047.15 and 5,918,380.65 is: 8,879,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295,311.22 : 30,448,047.15 = 5,918,380.65 : x
  2. Step 2: Convert to fraction form
    20,295,311.22/30,448,047.15 = 5,918,380.65/x
  3. Step 3: Cross multiply
    20,295,311.22x = 30,448,047.15 × 5,918,380.65
  4. Step 4: Simplify right side
    20,295,311.22x = 180,203,133,082,847.66
  5. Step 5: Solve for x
    x = 180,203,133,082,847.66/20,295,311.22
  6. Step 6: Final answer
    x = 8,879,052.46

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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.