Home / 21,887,998.20-32,831,997.30-11,810,302.20

Finding the Fourth Proportional to 21,887,998.20, 32,831,997.30 and 11,810,302.20

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Solution

The fourth proportional to 21,887,998.20, 32,831,997.30 and 11,810,302.20 is: 17,715,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887,998.20 : 32,831,997.30 = 11,810,302.20 : x
  2. Step 2: Convert to fraction form
    21,887,998.20/32,831,997.30 = 11,810,302.20/x
  3. Step 3: Cross multiply
    21,887,998.20x = 32,831,997.30 × 11,810,302.20
  4. Step 4: Simplify right side
    21,887,998.20x = 387,755,809,942,584.06
  5. Step 5: Solve for x
    x = 387,755,809,942,584.06/21,887,998.20
  6. Step 6: Final answer
    x = 17,715,453.30

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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.