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Finding the Fourth Proportional to 14,965,794.20, 22,448,691.30 and 5,381,485.40

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Solution

The fourth proportional to 14,965,794.20, 22,448,691.30 and 5,381,485.40 is: 8,072,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965,794.20 : 22,448,691.30 = 5,381,485.40 : x
  2. Step 2: Convert to fraction form
    14,965,794.20/22,448,691.30 = 5,381,485.40/x
  3. Step 3: Cross multiply
    14,965,794.20x = 22,448,691.30 × 5,381,485.40
  4. Step 4: Simplify right side
    14,965,794.20x = 120,807,304,480,057.03
  5. Step 5: Solve for x
    x = 120,807,304,480,057.03/14,965,794.20
  6. Step 6: Final answer
    x = 8,072,228.10

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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.