Home / 21,061,736,922-29,065,571,447.76-11,416,782,781.56

Finding the Fourth Proportional to 21,061,736,922, 29,065,571,447.76 and 11,416,782,781.56

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Solution

The fourth proportional to 21,061,736,922, 29,065,571,447.76 and 11,416,782,781.56 is: 15,755,363,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,736,922 : 29,065,571,447.76 = 11,416,782,781.56 : x
  2. Step 2: Convert to fraction form
    21,061,736,922/29,065,571,447.76 = 11,416,782,781.56/x
  3. Step 3: Cross multiply
    21,061,736,922x = 29,065,571,447.76 × 11,416,782,781.56
  4. Step 4: Simplify right side
    21,061,736,922x = 331,835,315,640,988,270,592
  5. Step 5: Solve for x
    x = 331,835,315,640,988,270,592/21,061,736,922
  6. Step 6: Final answer
    x = 15,755,363,238.55

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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.