Home / 21,534,845.09-29,722,685.33-12,372,539.81

Finding the Fourth Proportional to 21,534,845.09, 29,722,685.33 and 12,372,539.81

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Solution

The fourth proportional to 21,534,845.09, 29,722,685.33 and 12,372,539.81 is: 17,076,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534,845.09 : 29,722,685.33 = 12,372,539.81 : x
  2. Step 2: Convert to fraction form
    21,534,845.09/29,722,685.33 = 12,372,539.81/x
  3. Step 3: Cross multiply
    21,534,845.09x = 29,722,685.33 × 12,372,539.81
  4. Step 4: Simplify right side
    21,534,845.09x = 367,745,107,387,845.88
  5. Step 5: Solve for x
    x = 367,745,107,387,845.88/21,534,845.09
  6. Step 6: Final answer
    x = 17,076,747.29

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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.