Home / 21,008,109.40-31,476,734.70-17,394,310.60

Finding the Fourth Proportional to 21,008,109.40, 31,476,734.70 and 17,394,310.60

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Solution

The fourth proportional to 21,008,109.40, 31,476,734.70 and 17,394,310.60 is: 26,062,131.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,109.40 : 31,476,734.70 = 17,394,310.60 : x
  2. Step 2: Convert to fraction form
    21,008,109.40/31,476,734.70 = 17,394,310.60/x
  3. Step 3: Cross multiply
    21,008,109.40x = 31,476,734.70 × 17,394,310.60
  4. Step 4: Simplify right side
    21,008,109.40x = 547,516,100,045,597.88
  5. Step 5: Solve for x
    x = 547,516,100,045,597.88/21,008,109.40
  6. Step 6: Final answer
    x = 26,062,131.04

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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.