Home / 20,135,116.20-30,202,674.30-6,670,194.60

Finding the Fourth Proportional to 20,135,116.20, 30,202,674.30 and 6,670,194.60

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Solution

The fourth proportional to 20,135,116.20, 30,202,674.30 and 6,670,194.60 is: 10,005,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,116.20 : 30,202,674.30 = 6,670,194.60 : x
  2. Step 2: Convert to fraction form
    20,135,116.20/30,202,674.30 = 6,670,194.60/x
  3. Step 3: Cross multiply
    20,135,116.20x = 30,202,674.30 × 6,670,194.60
  4. Step 4: Simplify right side
    20,135,116.20x = 201,457,715,021,418.78
  5. Step 5: Solve for x
    x = 201,457,715,021,418.78/20,135,116.20
  6. Step 6: Final answer
    x = 10,005,291.90

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1.5x scale

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.