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Finding the Fourth Proportional to 13,734,714.18, 20,601,861.66 and 4,643,198.28

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Solution

The fourth proportional to 13,734,714.18, 20,601,861.66 and 4,643,198.28 is: 6,964,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734,714.18 : 20,601,861.66 = 4,643,198.28 : x
  2. Step 2: Convert to fraction form
    13,734,714.18/20,601,861.66 = 4,643,198.28/x
  3. Step 3: Cross multiply
    13,734,714.18x = 20,601,861.66 × 4,643,198.28
  4. Step 4: Simplify right side
    13,734,714.18x = 95,658,528,624,509.95
  5. Step 5: Solve for x
    x = 95,658,528,624,509.95/13,734,714.18
  6. Step 6: Final answer
    x = 6,964,726.56

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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.