Home / 21,682,209.63-29,921,492.44-11,892,734.31

Finding the Fourth Proportional to 21,682,209.63, 29,921,492.44 and 11,892,734.31

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Solution

The fourth proportional to 21,682,209.63, 29,921,492.44 and 11,892,734.31 is: 16,411,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682,209.63 : 29,921,492.44 = 11,892,734.31 : x
  2. Step 2: Convert to fraction form
    21,682,209.63/29,921,492.44 = 11,892,734.31/x
  3. Step 3: Cross multiply
    21,682,209.63x = 29,921,492.44 × 11,892,734.31
  4. Step 4: Simplify right side
    21,682,209.63x = 355,848,359,747,593.62
  5. Step 5: Solve for x
    x = 355,848,359,747,593.62/21,682,209.63
  6. Step 6: Final answer
    x = 16,411,997.02

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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.