Home / 12,888,811.44-17,786,534.22-7,383,968.46

Finding the Fourth Proportional to 12,888,811.44, 17,786,534.22 and 7,383,968.46

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Solution

The fourth proportional to 12,888,811.44, 17,786,534.22 and 7,383,968.46 is: 10,189,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,811.44 : 17,786,534.22 = 7,383,968.46 : x
  2. Step 2: Convert to fraction form
    12,888,811.44/17,786,534.22 = 7,383,968.46/x
  3. Step 3: Cross multiply
    12,888,811.44x = 17,786,534.22 × 7,383,968.46
  4. Step 4: Simplify right side
    12,888,811.44x = 131,335,207,693,190.69
  5. Step 5: Solve for x
    x = 131,335,207,693,190.69/12,888,811.44
  6. Step 6: Final answer
    x = 10,189,861.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.