Home / 20,383,500.04-30,575,249.58-7,430,621.88

Finding the Fourth Proportional to 20,383,500.04, 30,575,249.58 and 7,430,621.88

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Solution

The fourth proportional to 20,383,500.04, 30,575,249.58 and 7,430,621.88 is: 11,145,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,383,500.04 : 30,575,249.58 = 7,430,621.88 : x
  2. Step 2: Convert to fraction form
    20,383,500.04/30,575,249.58 = 7,430,621.88/x
  3. Step 3: Cross multiply
    20,383,500.04x = 30,575,249.58 × 7,430,621.88
  4. Step 4: Simplify right side
    20,383,500.04x = 227,193,118,515,608.78
  5. Step 5: Solve for x
    x = 227,193,118,515,608.78/20,383,500.04
  6. Step 6: Final answer
    x = 11,145,932.65

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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.