Home / 8,383,610.40-12,575,415.60-7,320,728.40

Finding the Fourth Proportional to 8,383,610.40, 12,575,415.60 and 7,320,728.40

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Solution

The fourth proportional to 8,383,610.40, 12,575,415.60 and 7,320,728.40 is: 10,981,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383,610.40 : 12,575,415.60 = 7,320,728.40 : x
  2. Step 2: Convert to fraction form
    8,383,610.40/12,575,415.60 = 7,320,728.40/x
  3. Step 3: Cross multiply
    8,383,610.40x = 12,575,415.60 × 7,320,728.40
  4. Step 4: Simplify right side
    8,383,610.40x = 92,061,202,124,723.05
  5. Step 5: Solve for x
    x = 92,061,202,124,723.05/8,383,610.40
  6. Step 6: Final answer
    x = 10,981,092.60

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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.