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Finding the Fourth Proportional to 16,998,792.87, 25,505,719.08 and 8,909,846.13

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Solution

The fourth proportional to 16,998,792.87, 25,505,719.08 and 8,909,846.13 is: 13,368,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998,792.87 : 25,505,719.08 = 8,909,846.13 : x
  2. Step 2: Convert to fraction form
    16,998,792.87/25,505,719.08 = 8,909,846.13/x
  3. Step 3: Cross multiply
    16,998,792.87x = 25,505,719.08 × 8,909,846.13
  4. Step 4: Simplify right side
    16,998,792.87x = 227,252,032,437,805.16
  5. Step 5: Solve for x
    x = 227,252,032,437,805.16/16,998,792.87
  6. Step 6: Final answer
    x = 13,368,715.90

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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.