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Finding the Fourth Proportional to 16,162,658.32, 22,304,940.99 and 8,820,962.88

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Solution

The fourth proportional to 16,162,658.32, 22,304,940.99 and 8,820,962.88 is: 12,173,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,162,658.32 : 22,304,940.99 = 8,820,962.88 : x
  2. Step 2: Convert to fraction form
    16,162,658.32/22,304,940.99 = 8,820,962.88/x
  3. Step 3: Cross multiply
    16,162,658.32x = 22,304,940.99 × 8,820,962.88
  4. Step 4: Simplify right side
    16,162,658.32x = 196,751,056,446,276.25
  5. Step 5: Solve for x
    x = 196,751,056,446,276.25/16,162,658.32
  6. Step 6: Final answer
    x = 12,173,186.65

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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.