Home / 20,733,687.06-31,100,530.60-13,194,077.46

Finding the Fourth Proportional to 20,733,687.06, 31,100,530.60 and 13,194,077.46

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Solution

The fourth proportional to 20,733,687.06, 31,100,530.60 and 13,194,077.46 is: 19,791,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,687.06 : 31,100,530.60 = 13,194,077.46 : x
  2. Step 2: Convert to fraction form
    20,733,687.06/31,100,530.60 = 13,194,077.46/x
  3. Step 3: Cross multiply
    20,733,687.06x = 31,100,530.60 × 13,194,077.46
  4. Step 4: Simplify right side
    20,733,687.06x = 410,342,809,783,500.31
  5. Step 5: Solve for x
    x = 410,342,809,783,500.31/20,733,687.06
  6. Step 6: Final answer
    x = 19,791,116.20

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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.