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Finding the Fourth Proportional to 18,584,435.70, 27,876,653.55 and 14,553,357.30

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Solution

The fourth proportional to 18,584,435.70, 27,876,653.55 and 14,553,357.30 is: 21,830,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584,435.70 : 27,876,653.55 = 14,553,357.30 : x
  2. Step 2: Convert to fraction form
    18,584,435.70/27,876,653.55 = 14,553,357.30/x
  3. Step 3: Cross multiply
    18,584,435.70x = 27,876,653.55 × 14,553,357.30
  4. Step 4: Simplify right side
    18,584,435.70x = 405,698,899,441,463.44
  5. Step 5: Solve for x
    x = 405,698,899,441,463.44/18,584,435.70
  6. Step 6: Final answer
    x = 21,830,035.95

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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.