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Finding the Fourth Proportional to 13,796,696.22, 20,697,986.93 and 6,883,892.59

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Solution

The fourth proportional to 13,796,696.22, 20,697,986.93 and 6,883,892.59 is: 10,327,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796,696.22 : 20,697,986.93 = 6,883,892.59 : x
  2. Step 2: Convert to fraction form
    13,796,696.22/20,697,986.93 = 6,883,892.59/x
  3. Step 3: Cross multiply
    13,796,696.22x = 20,697,986.93 × 6,883,892.59
  4. Step 4: Simplify right side
    13,796,696.22x = 142,482,718,856,464.25
  5. Step 5: Solve for x
    x = 142,482,718,856,464.25/13,796,696.22
  6. Step 6: Final answer
    x = 10,327,307.10

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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.