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Finding the Fourth Proportional to 15,798,092.22, 21,801,361.95 and 8,554,748.22

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Solution

The fourth proportional to 15,798,092.22, 21,801,361.95 and 8,554,748.22 is: 11,805,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798,092.22 : 21,801,361.95 = 8,554,748.22 : x
  2. Step 2: Convert to fraction form
    15,798,092.22/21,801,361.95 = 8,554,748.22/x
  3. Step 3: Cross multiply
    15,798,092.22x = 21,801,361.95 × 8,554,748.22
  4. Step 4: Simplify right side
    15,798,092.22x = 186,505,162,335,338.25
  5. Step 5: Solve for x
    x = 186,505,162,335,338.25/15,798,092.22
  6. Step 6: Final answer
    x = 11,805,549.67

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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.