Home / 20,226,039.90-30,339,059.85-8,101,311.90

Finding the Fourth Proportional to 20,226,039.90, 30,339,059.85 and 8,101,311.90

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Solution

The fourth proportional to 20,226,039.90, 30,339,059.85 and 8,101,311.90 is: 12,151,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,039.90 : 30,339,059.85 = 8,101,311.90 : x
  2. Step 2: Convert to fraction form
    20,226,039.90/30,339,059.85 = 8,101,311.90/x
  3. Step 3: Cross multiply
    20,226,039.90x = 30,339,059.85 × 8,101,311.90
  4. Step 4: Simplify right side
    20,226,039.90x = 245,786,186,597,617.25
  5. Step 5: Solve for x
    x = 245,786,186,597,617.25/20,226,039.90
  6. Step 6: Final answer
    x = 12,151,967.85

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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.