Home / 21,398,999.33-29,530,675.71-11,609,443.22

Finding the Fourth Proportional to 21,398,999.33, 29,530,675.71 and 11,609,443.22

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Solution

The fourth proportional to 21,398,999.33, 29,530,675.71 and 11,609,443.22 is: 16,021,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398,999.33 : 29,530,675.71 = 11,609,443.22 : x
  2. Step 2: Convert to fraction form
    21,398,999.33/29,530,675.71 = 11,609,443.22/x
  3. Step 3: Cross multiply
    21,398,999.33x = 29,530,675.71 × 11,609,443.22
  4. Step 4: Simplify right side
    21,398,999.33x = 342,834,702,755,824.81
  5. Step 5: Solve for x
    x = 342,834,702,755,824.81/21,398,999.33
  6. Step 6: Final answer
    x = 16,021,062.36

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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.