Home / 21,202,706,610.27-29,261,044,204.51-11,687,236,897.95

Finding the Fourth Proportional to 21,202,706,610.27, 29,261,044,204.51 and 11,687,236,897.95

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Solution

The fourth proportional to 21,202,706,610.27, 29,261,044,204.51 and 11,687,236,897.95 is: 16,129,108,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202,706,610.27 : 29,261,044,204.51 = 11,687,236,897.95 : x
  2. Step 2: Convert to fraction form
    21,202,706,610.27/29,261,044,204.51 = 11,687,236,897.95/x
  3. Step 3: Cross multiply
    21,202,706,610.27x = 29,261,044,204.51 × 11,687,236,897.95
  4. Step 4: Simplify right side
    21,202,706,610.27x = 341,980,755,499,542,052,864
  5. Step 5: Solve for x
    x = 341,980,755,499,542,052,864/21,202,706,610.27
  6. Step 6: Final answer
    x = 16,129,108,504.19

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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.