Home / 21,197,845,821.92-29,253,027,398.65-11,682,397,678.59

Finding the Fourth Proportional to 21,197,845,821.92, 29,253,027,398.65 and 11,682,397,678.59

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Solution

The fourth proportional to 21,197,845,821.92, 29,253,027,398.65 and 11,682,397,678.59 is: 16,121,708,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197,845,821.92 : 29,253,027,398.65 = 11,682,397,678.59 : x
  2. Step 2: Convert to fraction form
    21,197,845,821.92/29,253,027,398.65 = 11,682,397,678.59/x
  3. Step 3: Cross multiply
    21,197,845,821.92x = 29,253,027,398.65 × 11,682,397,678.59
  4. Step 4: Simplify right side
    21,197,845,821.92x = 341,745,499,373,683,408,896
  5. Step 5: Solve for x
    x = 341,745,499,373,683,408,896/21,197,845,821.92
  6. Step 6: Final answer
    x = 16,121,708,887.06

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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.