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Finding the Fourth Proportional to 18,391,441.86, 27,587,146.08 and 8,673,788.03

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Solution

The fourth proportional to 18,391,441.86, 27,587,146.08 and 8,673,788.03 is: 13,010,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391,441.86 : 27,587,146.08 = 8,673,788.03 : x
  2. Step 2: Convert to fraction form
    18,391,441.86/27,587,146.08 = 8,673,788.03/x
  3. Step 3: Cross multiply
    18,391,441.86x = 27,587,146.08 × 8,673,788.03
  4. Step 4: Simplify right side
    18,391,441.86x = 239,285,057,345,156.41
  5. Step 5: Solve for x
    x = 239,285,057,345,156.41/18,391,441.86
  6. Step 6: Final answer
    x = 13,010,674.16

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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.