Home / 20,405,576.46-30,597,735.67-7,615,563.06

Finding the Fourth Proportional to 20,405,576.46, 30,597,735.67 and 7,615,563.06

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Solution

The fourth proportional to 20,405,576.46, 30,597,735.67 and 7,615,563.06 is: 11,419,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,405,576.46 : 30,597,735.67 = 7,615,563.06 : x
  2. Step 2: Convert to fraction form
    20,405,576.46/30,597,735.67 = 7,615,563.06/x
  3. Step 3: Cross multiply
    20,405,576.46x = 30,597,735.67 × 7,615,563.06
  4. Step 4: Simplify right side
    20,405,576.46x = 233,018,985,488,096.34
  5. Step 5: Solve for x
    x = 233,018,985,488,096.34/20,405,576.46
  6. Step 6: Final answer
    x = 11,419,377.73

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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.