Finding the Fourth Proportional to 36,278,560.64, 50,064,413.68 and 19,981,036.64
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Solution
The fourth proportional to 36,278,560.64, 50,064,413.68 and 19,981,036.64 is: 27,573,830.56
Step by Step Solution
- Step 1: Write the proportion equation
36,278,560.64 : 50,064,413.68 = 19,981,036.64 : x - Step 2: Convert to fraction form
36,278,560.64/50,064,413.68 = 19,981,036.64/x - Step 3: Cross multiply
36,278,560.64x = 50,064,413.68 × 19,981,036.64 - Step 4: Simplify right side
36,278,560.64x = 1,000,338,884,100,197.25 - Step 5: Solve for x
x = 1,000,338,884,100,197.25/36,278,560.64 - Step 6: Final answer
x = 27,573,830.56
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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.