Home / 8,285,076.36-12,428,319.85-2,529,102.86

Finding the Fourth Proportional to 8,285,076.36, 12,428,319.85 and 2,529,102.86

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Solution

The fourth proportional to 8,285,076.36, 12,428,319.85 and 2,529,102.86 is: 3,793,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285,076.36 : 12,428,319.85 = 2,529,102.86 : x
  2. Step 2: Convert to fraction form
    8,285,076.36/12,428,319.85 = 2,529,102.86/x
  3. Step 3: Cross multiply
    8,285,076.36x = 12,428,319.85 × 2,529,102.86
  4. Step 4: Simplify right side
    8,285,076.36x = 31,432,499,255,771.62
  5. Step 5: Solve for x
    x = 31,432,499,255,771.62/8,285,076.36
  6. Step 6: Final answer
    x = 3,793,869.59

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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.