Home / 27,287,616.90-40,932,081.45-8,118,999.30

Finding the Fourth Proportional to 27,287,616.90, 40,932,081.45 and 8,118,999.30

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Solution

The fourth proportional to 27,287,616.90, 40,932,081.45 and 8,118,999.30 is: 12,178,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287,616.90 : 40,932,081.45 = 8,118,999.30 : x
  2. Step 2: Convert to fraction form
    27,287,616.90/40,932,081.45 = 8,118,999.30/x
  3. Step 3: Cross multiply
    27,287,616.90x = 40,932,081.45 × 8,118,999.30
  4. Step 4: Simplify right side
    27,287,616.90x = 332,327,540,640,093
  5. Step 5: Solve for x
    x = 332,327,540,640,093/27,287,616.90
  6. Step 6: Final answer
    x = 12,178,694.16

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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.