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Finding the Fourth Proportional to 16,798,927.30, 25,179,728.55 and 9,231,324.10

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Solution

The fourth proportional to 16,798,927.30, 25,179,728.55 and 9,231,324.10 is: 13,836,730.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798,927.30 : 25,179,728.55 = 9,231,324.10 : x
  2. Step 2: Convert to fraction form
    16,798,927.30/25,179,728.55 = 9,231,324.10/x
  3. Step 3: Cross multiply
    16,798,927.30x = 25,179,728.55 × 9,231,324.10
  4. Step 4: Simplify right side
    16,798,927.30x = 232,442,234,995,073.06
  5. Step 5: Solve for x
    x = 232,442,234,995,073.06/16,798,927.30
  6. Step 6: Final answer
    x = 13,836,730.81

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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.