Home / 27,188,680.60-40,783,020.90-15,693,808.60

Finding the Fourth Proportional to 27,188,680.60, 40,783,020.90 and 15,693,808.60

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Solution

The fourth proportional to 27,188,680.60, 40,783,020.90 and 15,693,808.60 is: 23,540,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188,680.60 : 40,783,020.90 = 15,693,808.60 : x
  2. Step 2: Convert to fraction form
    27,188,680.60/40,783,020.90 = 15,693,808.60/x
  3. Step 3: Cross multiply
    27,188,680.60x = 40,783,020.90 × 15,693,808.60
  4. Step 4: Simplify right side
    27,188,680.60x = 640,040,924,134,399.75
  5. Step 5: Solve for x
    x = 640,040,924,134,399.75/27,188,680.60
  6. Step 6: Final answer
    x = 23,540,712.90

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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.