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Finding the Fourth Proportional to 18,163,602.60, 27,214,572.60 and 10,959,999.90

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Solution

The fourth proportional to 18,163,602.60, 27,214,572.60 and 10,959,999.90 is: 16,421,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163,602.60 : 27,214,572.60 = 10,959,999.90 : x
  2. Step 2: Convert to fraction form
    18,163,602.60/27,214,572.60 = 10,959,999.90/x
  3. Step 3: Cross multiply
    18,163,602.60x = 27,214,572.60 × 10,959,999.90
  4. Step 4: Simplify right side
    18,163,602.60x = 298,271,712,974,542.75
  5. Step 5: Solve for x
    x = 298,271,712,974,542.75/18,163,602.60
  6. Step 6: Final answer
    x = 16,421,396.10

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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.