Home / 13,818,736.50-20,727,357.06-4,234,142.78

Finding the Fourth Proportional to 13,818,736.50, 20,727,357.06 and 4,234,142.78

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Solution

The fourth proportional to 13,818,736.50, 20,727,357.06 and 4,234,142.78 is: 6,350,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,736.50 : 20,727,357.06 = 4,234,142.78 : x
  2. Step 2: Convert to fraction form
    13,818,736.50/20,727,357.06 = 4,234,142.78/x
  3. Step 3: Cross multiply
    13,818,736.50x = 20,727,357.06 × 4,234,142.78
  4. Step 4: Simplify right side
    13,818,736.50x = 87,762,589,234,049.86
  5. Step 5: Solve for x
    x = 87,762,589,234,049.86/13,818,736.50
  6. Step 6: Final answer
    x = 6,350,985.07

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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.