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Finding the Fourth Proportional to 18,449,400.40, 27,685,910.40 and 10,773,030.40

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Solution

The fourth proportional to 18,449,400.40, 27,685,910.40 and 10,773,030.40 is: 16,166,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449,400.40 : 27,685,910.40 = 10,773,030.40 : x
  2. Step 2: Convert to fraction form
    18,449,400.40/27,685,910.40 = 10,773,030.40/x
  3. Step 3: Cross multiply
    18,449,400.40x = 27,685,910.40 × 10,773,030.40
  4. Step 4: Simplify right side
    18,449,400.40x = 298,261,154,390,876.12
  5. Step 5: Solve for x
    x = 298,261,154,390,876.12/18,449,400.40
  6. Step 6: Final answer
    x = 16,166,441.61

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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.