Home / 12,674,414.80-19,011,622.20-11,280,955.60

Finding the Fourth Proportional to 12,674,414.80, 19,011,622.20 and 11,280,955.60

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Solution

The fourth proportional to 12,674,414.80, 19,011,622.20 and 11,280,955.60 is: 16,921,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,414.80 : 19,011,622.20 = 11,280,955.60 : x
  2. Step 2: Convert to fraction form
    12,674,414.80/19,011,622.20 = 11,280,955.60/x
  3. Step 3: Cross multiply
    12,674,414.80x = 19,011,622.20 × 11,280,955.60
  4. Step 4: Simplify right side
    12,674,414.80x = 214,469,265,922,174.31
  5. Step 5: Solve for x
    x = 214,469,265,922,174.31/12,674,414.80
  6. Step 6: Final answer
    x = 16,921,433.40

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Similar ratio
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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.