Home / 18,192,005.10-27,288,007.65-11,017,551.60

Finding the Fourth Proportional to 18,192,005.10, 27,288,007.65 and 11,017,551.60

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Solution

The fourth proportional to 18,192,005.10, 27,288,007.65 and 11,017,551.60 is: 16,526,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,005.10 : 27,288,007.65 = 11,017,551.60 : x
  2. Step 2: Convert to fraction form
    18,192,005.10/27,288,007.65 = 11,017,551.60/x
  3. Step 3: Cross multiply
    18,192,005.10x = 27,288,007.65 × 11,017,551.60
  4. Step 4: Simplify right side
    18,192,005.10x = 300,647,032,345,069.69
  5. Step 5: Solve for x
    x = 300,647,032,345,069.69/18,192,005.10
  6. Step 6: Final answer
    x = 16,526,327.40

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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.