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Finding the Fourth Proportional to 14,070,701, 21,109,690.36 and 8,239,811

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Solution

The fourth proportional to 14,070,701, 21,109,690.36 and 8,239,811 is: 12,361,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070,701 : 21,109,690.36 = 8,239,811 : x
  2. Step 2: Convert to fraction form
    14,070,701/21,109,690.36 = 8,239,811/x
  3. Step 3: Cross multiply
    14,070,701x = 21,109,690.36 × 8,239,811
  4. Step 4: Simplify right side
    14,070,701x = 173,939,858,834,921.97
  5. Step 5: Solve for x
    x = 173,939,858,834,921.97/14,070,701
  6. Step 6: Final answer
    x = 12,361,847.42

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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.