Home / 18,536,640.40-27,804,960.60-12,474,276.40

Finding the Fourth Proportional to 18,536,640.40, 27,804,960.60 and 12,474,276.40

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Solution

The fourth proportional to 18,536,640.40, 27,804,960.60 and 12,474,276.40 is: 18,711,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536,640.40 : 27,804,960.60 = 12,474,276.40 : x
  2. Step 2: Convert to fraction form
    18,536,640.40/27,804,960.60 = 12,474,276.40/x
  3. Step 3: Cross multiply
    18,536,640.40x = 27,804,960.60 × 12,474,276.40
  4. Step 4: Simplify right side
    18,536,640.40x = 346,846,763,815,509.88
  5. Step 5: Solve for x
    x = 346,846,763,815,509.88/18,536,640.40
  6. Step 6: Final answer
    x = 18,711,414.60

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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.