Home / 13,476,967.20-20,201,672.70-6,643,029.60

Finding the Fourth Proportional to 13,476,967.20, 20,201,672.70 and 6,643,029.60

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Solution

The fourth proportional to 13,476,967.20, 20,201,672.70 and 6,643,029.60 is: 9,957,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,967.20 : 20,201,672.70 = 6,643,029.60 : x
  2. Step 2: Convert to fraction form
    13,476,967.20/20,201,672.70 = 6,643,029.60/x
  3. Step 3: Cross multiply
    13,476,967.20x = 20,201,672.70 × 6,643,029.60
  4. Step 4: Simplify right side
    13,476,967.20x = 134,200,309,715,611.91
  5. Step 5: Solve for x
    x = 134,200,309,715,611.91/13,476,967.20
  6. Step 6: Final answer
    x = 9,957,752.94

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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.