Home / 13,476,903.20-20,201,576.70-6,642,965.60

Finding the Fourth Proportional to 13,476,903.20, 20,201,576.70 and 6,642,965.60

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Solution

The fourth proportional to 13,476,903.20, 20,201,576.70 and 6,642,965.60 is: 9,957,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,903.20 : 20,201,576.70 = 6,642,965.60 : x
  2. Step 2: Convert to fraction form
    13,476,903.20/20,201,576.70 = 6,642,965.60/x
  3. Step 3: Cross multiply
    13,476,903.20x = 20,201,576.70 × 6,642,965.60
  4. Step 4: Simplify right side
    13,476,903.20x = 134,198,379,083,861.50
  5. Step 5: Solve for x
    x = 134,198,379,083,861.50/13,476,903.20
  6. Step 6: Final answer
    x = 9,957,656.97

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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.