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Finding the Fourth Proportional to 13,888,369.80, 20,846,000.70 and 6,704,944.20

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Solution

The fourth proportional to 13,888,369.80, 20,846,000.70 and 6,704,944.20 is: 10,063,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,369.80 : 20,846,000.70 = 6,704,944.20 : x
  2. Step 2: Convert to fraction form
    13,888,369.80/20,846,000.70 = 6,704,944.20/x
  3. Step 3: Cross multiply
    13,888,369.80x = 20,846,000.70 × 6,704,944.20
  4. Step 4: Simplify right side
    13,888,369.80x = 139,771,271,486,660.94
  5. Step 5: Solve for x
    x = 139,771,271,486,660.94/13,888,369.80
  6. Step 6: Final answer
    x = 10,063,907.68

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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.