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Finding the Fourth Proportional to 17,447,706.82, 26,171,593.04 and 7,201,327.51

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Solution

The fourth proportional to 17,447,706.82, 26,171,593.04 and 7,201,327.51 is: 10,802,004.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,447,706.82 : 26,171,593.04 = 7,201,327.51 : x
  2. Step 2: Convert to fraction form
    17,447,706.82/26,171,593.04 = 7,201,327.51/x
  3. Step 3: Cross multiply
    17,447,706.82x = 26,171,593.04 × 7,201,327.51
  4. Step 4: Simplify right side
    17,447,706.82x = 188,470,212,939,476.53
  5. Step 5: Solve for x
    x = 188,470,212,939,476.53/17,447,706.82
  6. Step 6: Final answer
    x = 10,802,004.81

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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.