Home / 20,096,848.20-30,145,272.30-10,515,163.80

Finding the Fourth Proportional to 20,096,848.20, 30,145,272.30 and 10,515,163.80

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Solution

The fourth proportional to 20,096,848.20, 30,145,272.30 and 10,515,163.80 is: 15,772,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096,848.20 : 30,145,272.30 = 10,515,163.80 : x
  2. Step 2: Convert to fraction form
    20,096,848.20/30,145,272.30 = 10,515,163.80/x
  3. Step 3: Cross multiply
    20,096,848.20x = 30,145,272.30 × 10,515,163.80
  4. Step 4: Simplify right side
    20,096,848.20x = 316,982,476,030,102.75
  5. Step 5: Solve for x
    x = 316,982,476,030,102.75/20,096,848.20
  6. Step 6: Final answer
    x = 15,772,745.70

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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.