Home / 21,807,129,371.82-30,093,838,591.04-11,782,624,218.95

Finding the Fourth Proportional to 21,807,129,371.82, 30,093,838,591.04 and 11,782,624,218.95

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Solution

The fourth proportional to 21,807,129,371.82, 30,093,838,591.04 and 11,782,624,218.95 is: 16,260,021,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,129,371.82 : 30,093,838,591.04 = 11,782,624,218.95 : x
  2. Step 2: Convert to fraction form
    21,807,129,371.82/30,093,838,591.04 = 11,782,624,218.95/x
  3. Step 3: Cross multiply
    21,807,129,371.82x = 30,093,838,591.04 × 11,782,624,218.95
  4. Step 4: Simplify right side
    21,807,129,371.82x = 354,584,391,423,833,145,344
  5. Step 5: Solve for x
    x = 354,584,391,423,833,145,344/21,807,129,371.82
  6. Step 6: Final answer
    x = 16,260,021,453.44

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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.