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Finding the Fourth Proportional to 9,196,854.66, 12,691,662.96 and 5,331,616.50

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Solution

The fourth proportional to 9,196,854.66, 12,691,662.96 and 5,331,616.50 is: 7,357,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196,854.66 : 12,691,662.96 = 5,331,616.50 : x
  2. Step 2: Convert to fraction form
    9,196,854.66/12,691,662.96 = 5,331,616.50/x
  3. Step 3: Cross multiply
    9,196,854.66x = 12,691,662.96 × 5,331,616.50
  4. Step 4: Simplify right side
    9,196,854.66x = 67,667,079,649,974.84
  5. Step 5: Solve for x
    x = 67,667,079,649,974.84/9,196,854.66
  6. Step 6: Final answer
    x = 7,357,632.82

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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.