Home / 20,162,712.90-30,244,069.35-6,699,540.90

Finding the Fourth Proportional to 20,162,712.90, 30,244,069.35 and 6,699,540.90

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Solution

The fourth proportional to 20,162,712.90, 30,244,069.35 and 6,699,540.90 is: 10,049,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,712.90 : 30,244,069.35 = 6,699,540.90 : x
  2. Step 2: Convert to fraction form
    20,162,712.90/30,244,069.35 = 6,699,540.90/x
  3. Step 3: Cross multiply
    20,162,712.90x = 30,244,069.35 × 6,699,540.90
  4. Step 4: Simplify right side
    20,162,712.90x = 202,621,379,592,761.44
  5. Step 5: Solve for x
    x = 202,621,379,592,761.44/20,162,712.90
  6. Step 6: Final answer
    x = 10,049,311.35

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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.