Home / 18,523,909.44-27,783,341.82-4,875,912.86

Finding the Fourth Proportional to 18,523,909.44, 27,783,341.82 and 4,875,912.86

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Solution

The fourth proportional to 18,523,909.44, 27,783,341.82 and 4,875,912.86 is: 7,313,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523,909.44 : 27,783,341.82 = 4,875,912.86 : x
  2. Step 2: Convert to fraction form
    18,523,909.44/27,783,341.82 = 4,875,912.86/x
  3. Step 3: Cross multiply
    18,523,909.44x = 27,783,341.82 × 4,875,912.86
  4. Step 4: Simplify right side
    18,523,909.44x = 135,469,153,534,997.11
  5. Step 5: Solve for x
    x = 135,469,153,534,997.11/18,523,909.44
  6. Step 6: Final answer
    x = 7,313,205.35

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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.