Home / 21,694,997.88-29,934,420.21-12,522,326.22

Finding the Fourth Proportional to 21,694,997.88, 29,934,420.21 and 12,522,326.22

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Solution

The fourth proportional to 21,694,997.88, 29,934,420.21 and 12,522,326.22 is: 17,278,110.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,997.88 : 29,934,420.21 = 12,522,326.22 : x
  2. Step 2: Convert to fraction form
    21,694,997.88/29,934,420.21 = 12,522,326.22/x
  3. Step 3: Cross multiply
    21,694,997.88x = 29,934,420.21 × 12,522,326.22
  4. Step 4: Simplify right side
    21,694,997.88x = 374,848,575,076,180.94
  5. Step 5: Solve for x
    x = 374,848,575,076,180.94/21,694,997.88
  6. Step 6: Final answer
    x = 17,278,110.70

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1.5x scale

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.