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Finding the Fourth Proportional to 16,337,805.72, 22,545,985.68 and 8,995,485.48

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Solution

The fourth proportional to 16,337,805.72, 22,545,985.68 and 8,995,485.48 is: 12,413,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,337,805.72 : 22,545,985.68 = 8,995,485.48 : x
  2. Step 2: Convert to fraction form
    16,337,805.72/22,545,985.68 = 8,995,485.48/x
  3. Step 3: Cross multiply
    16,337,805.72x = 22,545,985.68 × 8,995,485.48
  4. Step 4: Simplify right side
    16,337,805.72x = 202,812,086,816,727.94
  5. Step 5: Solve for x
    x = 202,812,086,816,727.94/16,337,805.72
  6. Step 6: Final answer
    x = 12,413,667.43

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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.