Home / 12,162,486.97-16,784,227.11-6,655,861.54

Finding the Fourth Proportional to 12,162,486.97, 16,784,227.11 and 6,655,861.54

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Solution

The fourth proportional to 12,162,486.97, 16,784,227.11 and 6,655,861.54 is: 9,185,086.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,486.97 : 16,784,227.11 = 6,655,861.54 : x
  2. Step 2: Convert to fraction form
    12,162,486.97/16,784,227.11 = 6,655,861.54/x
  3. Step 3: Cross multiply
    12,162,486.97x = 16,784,227.11 × 6,655,861.54
  4. Step 4: Simplify right side
    12,162,486.97x = 111,713,491,700,074.34
  5. Step 5: Solve for x
    x = 111,713,491,700,074.34/12,162,486.97
  6. Step 6: Final answer
    x = 9,185,086.24

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