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Finding the Fourth Proportional to 18,441,806.20, 27,662,709.30 and 14,854,579.45

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Solution

The fourth proportional to 18,441,806.20, 27,662,709.30 and 14,854,579.45 is: 22,281,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,806.20 : 27,662,709.30 = 14,854,579.45 : x
  2. Step 2: Convert to fraction form
    18,441,806.20/27,662,709.30 = 14,854,579.45/x
  3. Step 3: Cross multiply
    18,441,806.20x = 27,662,709.30 × 14,854,579.45
  4. Step 4: Simplify right side
    18,441,806.20x = 410,917,913,099,103.88
  5. Step 5: Solve for x
    x = 410,917,913,099,103.88/18,441,806.20
  6. Step 6: Final answer
    x = 22,281,869.18

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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.