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Finding the Fourth Proportional to 12,202,597.82, 16,839,538.80 and 6,696,064.82

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Solution

The fourth proportional to 12,202,597.82, 16,839,538.80 and 6,696,064.82 is: 9,240,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,202,597.82 : 16,839,538.80 = 6,696,064.82 : x
  2. Step 2: Convert to fraction form
    12,202,597.82/16,839,538.80 = 6,696,064.82/x
  3. Step 3: Cross multiply
    12,202,597.82x = 16,839,538.80 × 6,696,064.82
  4. Step 4: Simplify right side
    12,202,597.82x = 112,758,643,343,705.03
  5. Step 5: Solve for x
    x = 112,758,643,343,705.03/12,202,597.82
  6. Step 6: Final answer
    x = 9,240,544.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.