Home / 21,645,534,887.93-29,860,223,382.72-18,783,660,333.56

Finding the Fourth Proportional to 21,645,534,887.93, 29,860,223,382.72 and 18,783,660,333.56

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Solution

The fourth proportional to 21,645,534,887.93, 29,860,223,382.72 and 18,783,660,333.56 is: 25,912,239,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,645,534,887.93 : 29,860,223,382.72 = 18,783,660,333.56 : x
  2. Step 2: Convert to fraction form
    21,645,534,887.93/29,860,223,382.72 = 18,783,660,333.56/x
  3. Step 3: Cross multiply
    21,645,534,887.93x = 29,860,223,382.72 × 18,783,660,333.56
  4. Step 4: Simplify right side
    21,645,534,887.93x = 560,884,293,504,995,229,696
  5. Step 5: Solve for x
    x = 560,884,293,504,995,229,696/21,645,534,887.93
  6. Step 6: Final answer
    x = 25,912,239,933.51

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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.