Home / 21,026,161.66-29,029,238.32-16,121,957.54

Finding the Fourth Proportional to 21,026,161.66, 29,029,238.32 and 16,121,957.54

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Solution

The fourth proportional to 21,026,161.66, 29,029,238.32 and 16,121,957.54 is: 22,258,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026,161.66 : 29,029,238.32 = 16,121,957.54 : x
  2. Step 2: Convert to fraction form
    21,026,161.66/29,029,238.32 = 16,121,957.54/x
  3. Step 3: Cross multiply
    21,026,161.66x = 29,029,238.32 × 16,121,957.54
  4. Step 4: Simplify right side
    21,026,161.66x = 468,008,147,613,580.94
  5. Step 5: Solve for x
    x = 468,008,147,613,580.94/21,026,161.66
  6. Step 6: Final answer
    x = 22,258,372.93

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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.