Home / 18,528,058.60-27,816,971.10-11,826,183.40

Finding the Fourth Proportional to 18,528,058.60, 27,816,971.10 and 11,826,183.40

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Solution

The fourth proportional to 18,528,058.60, 27,816,971.10 and 11,826,183.40 is: 17,755,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,058.60 : 27,816,971.10 = 11,826,183.40 : x
  2. Step 2: Convert to fraction form
    18,528,058.60/27,816,971.10 = 11,826,183.40/x
  3. Step 3: Cross multiply
    18,528,058.60x = 27,816,971.10 × 11,826,183.40
  4. Step 4: Simplify right side
    18,528,058.60x = 328,968,601,861,099.75
  5. Step 5: Solve for x
    x = 328,968,601,861,099.75/18,528,058.60
  6. Step 6: Final answer
    x = 17,755,157.68

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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.