Home / 20,711,991.24-31,069,232.37-6,335,183.61

Finding the Fourth Proportional to 20,711,991.24, 31,069,232.37 and 6,335,183.61

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Solution

The fourth proportional to 20,711,991.24, 31,069,232.37 and 6,335,183.61 is: 9,503,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,991.24 : 31,069,232.37 = 6,335,183.61 : x
  2. Step 2: Convert to fraction form
    20,711,991.24/31,069,232.37 = 6,335,183.61/x
  3. Step 3: Cross multiply
    20,711,991.24x = 31,069,232.37 × 6,335,183.61
  4. Step 4: Simplify right side
    20,711,991.24x = 196,829,291,685,705.47
  5. Step 5: Solve for x
    x = 196,829,291,685,705.47/20,711,991.24
  6. Step 6: Final answer
    x = 9,503,156.38

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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.