Home / 21,404,529.78-29,538,101.28-11,614,724.99

Finding the Fourth Proportional to 21,404,529.78, 29,538,101.28 and 11,614,724.99

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Solution

The fourth proportional to 21,404,529.78, 29,538,101.28 and 11,614,724.99 is: 16,028,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404,529.78 : 29,538,101.28 = 11,614,724.99 : x
  2. Step 2: Convert to fraction form
    21,404,529.78/29,538,101.28 = 11,614,724.99/x
  3. Step 3: Cross multiply
    21,404,529.78x = 29,538,101.28 × 11,614,724.99
  4. Step 4: Simplify right side
    21,404,529.78x = 343,076,923,093,967
  5. Step 5: Solve for x
    x = 343,076,923,093,967/21,404,529.78
  6. Step 6: Final answer
    x = 16,028,239.19

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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.