Finding the Fourth Proportional to 20,067,432,027.98, 27,686,277,905.69 and 11,375,954,707.62
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Solution
The fourth proportional to 20,067,432,027.98, 27,686,277,905.69 and 11,375,954,707.62 is: 15,694,974,974.30
Step by Step Solution
- Step 1: Write the proportion equation
20,067,432,027.98 : 27,686,277,905.69 = 11,375,954,707.62 : x - Step 2: Convert to fraction form
20,067,432,027.98/27,686,277,905.69 = 11,375,954,707.62/x - Step 3: Cross multiply
20,067,432,027.98x = 27,686,277,905.69 × 11,375,954,707.62 - Step 4: Simplify right side
20,067,432,027.98x = 314,957,843,477,709,783,040 - Step 5: Solve for x
x = 314,957,843,477,709,783,040/20,067,432,027.98 - Step 6: Final answer
x = 15,694,974,974.30
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1.5x scale
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.