Home / 21,531,396.08-29,712,954.12-11,741,917.52

Finding the Fourth Proportional to 21,531,396.08, 29,712,954.12 and 11,741,917.52

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Solution

The fourth proportional to 21,531,396.08, 29,712,954.12 and 11,741,917.52 is: 16,203,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531,396.08 : 29,712,954.12 = 11,741,917.52 : x
  2. Step 2: Convert to fraction form
    21,531,396.08/29,712,954.12 = 11,741,917.52/x
  3. Step 3: Cross multiply
    21,531,396.08x = 29,712,954.12 × 11,741,917.52
  4. Step 4: Simplify right side
    21,531,396.08x = 348,887,056,552,584.19
  5. Step 5: Solve for x
    x = 348,887,056,552,584.19/21,531,396.08
  6. Step 6: Final answer
    x = 16,203,643.05

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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.