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Finding the Fourth Proportional to 18,384,980.87, 27,541,594.87 and 14,322,446.59

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Solution

The fourth proportional to 18,384,980.87, 27,541,594.87 and 14,322,446.59 is: 21,455,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384,980.87 : 27,541,594.87 = 14,322,446.59 : x
  2. Step 2: Convert to fraction form
    18,384,980.87/27,541,594.87 = 14,322,446.59/x
  3. Step 3: Cross multiply
    18,384,980.87x = 27,541,594.87 × 14,322,446.59
  4. Step 4: Simplify right side
    18,384,980.87x = 394,463,021,528,993
  5. Step 5: Solve for x
    x = 394,463,021,528,993/18,384,980.87
  6. Step 6: Final answer
    x = 21,455,721.08

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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.