Home / 21,694,291.41-29,938,579.52-11,904,649.96

Finding the Fourth Proportional to 21,694,291.41, 29,938,579.52 and 11,904,649.96

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Solution

The fourth proportional to 21,694,291.41, 29,938,579.52 and 11,904,649.96 is: 16,428,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,291.41 : 29,938,579.52 = 11,904,649.96 : x
  2. Step 2: Convert to fraction form
    21,694,291.41/29,938,579.52 = 11,904,649.96/x
  3. Step 3: Cross multiply
    21,694,291.41x = 29,938,579.52 × 11,904,649.96
  4. Step 4: Simplify right side
    21,694,291.41x = 356,408,309,524,683.06
  5. Step 5: Solve for x
    x = 356,408,309,524,683.06/21,694,291.41
  6. Step 6: Final answer
    x = 16,428,667.93

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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.