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Finding the Fourth Proportional to 14,004,609.11, 20,978,963.65 and 6,794,266.94

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Solution

The fourth proportional to 14,004,609.11, 20,978,963.65 and 6,794,266.94 is: 10,177,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004,609.11 : 20,978,963.65 = 6,794,266.94 : x
  2. Step 2: Convert to fraction form
    14,004,609.11/20,978,963.65 = 6,794,266.94/x
  3. Step 3: Cross multiply
    14,004,609.11x = 20,978,963.65 × 6,794,266.94
  4. Step 4: Simplify right side
    14,004,609.11x = 142,536,679,144,925.88
  5. Step 5: Solve for x
    x = 142,536,679,144,925.88/14,004,609.11
  6. Step 6: Final answer
    x = 10,177,840.60

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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.