Home / 18,936,080.94-28,392,286.50-8,000,648.40

Finding the Fourth Proportional to 18,936,080.94, 28,392,286.50 and 8,000,648.40

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Solution

The fourth proportional to 18,936,080.94, 28,392,286.50 and 8,000,648.40 is: 11,995,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936,080.94 : 28,392,286.50 = 8,000,648.40 : x
  2. Step 2: Convert to fraction form
    18,936,080.94/28,392,286.50 = 8,000,648.40/x
  3. Step 3: Cross multiply
    18,936,080.94x = 28,392,286.50 × 8,000,648.40
  4. Step 4: Simplify right side
    18,936,080.94x = 227,156,701,558,566.62
  5. Step 5: Solve for x
    x = 227,156,701,558,566.62/18,936,080.94
  6. Step 6: Final answer
    x = 11,995,972.25

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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.