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Finding the Fourth Proportional to 18,055,379.04, 24,916,881.60 and 9,906,614.88

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Solution

The fourth proportional to 18,055,379.04, 24,916,881.60 and 9,906,614.88 is: 13,671,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,055,379.04 : 24,916,881.60 = 9,906,614.88 : x
  2. Step 2: Convert to fraction form
    18,055,379.04/24,916,881.60 = 9,906,614.88/x
  3. Step 3: Cross multiply
    18,055,379.04x = 24,916,881.60 × 9,906,614.88
  4. Step 4: Simplify right side
    18,055,379.04x = 246,841,950,021,758.25
  5. Step 5: Solve for x
    x = 246,841,950,021,758.25/18,055,379.04
  6. Step 6: Final answer
    x = 13,671,380.12

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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.