Home / 20,168,997.30-30,217,410.45-12,267,366.30

Finding the Fourth Proportional to 20,168,997.30, 30,217,410.45 and 12,267,366.30

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Solution

The fourth proportional to 20,168,997.30, 30,217,410.45 and 12,267,366.30 is: 18,379,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,997.30 : 30,217,410.45 = 12,267,366.30 : x
  2. Step 2: Convert to fraction form
    20,168,997.30/30,217,410.45 = 12,267,366.30/x
  3. Step 3: Cross multiply
    20,168,997.30x = 30,217,410.45 × 12,267,366.30
  4. Step 4: Simplify right side
    20,168,997.30x = 370,688,042,627,597.88
  5. Step 5: Solve for x
    x = 370,688,042,627,597.88/20,168,997.30
  6. Step 6: Final answer
    x = 18,379,101.21

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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.