Finding the Fourth Proportional to 39,001,413.94, 53,821,902.68 and 21,597,738.15
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Solution
The fourth proportional to 39,001,413.94, 53,821,902.68 and 21,597,738.15 is: 29,804,851.75
Step by Step Solution
- Step 1: Write the proportion equation
39,001,413.94 : 53,821,902.68 = 21,597,738.15 : x - Step 2: Convert to fraction form
39,001,413.94/53,821,902.68 = 21,597,738.15/x - Step 3: Cross multiply
39,001,413.94x = 53,821,902.68 × 21,597,738.15 - Step 4: Simplify right side
39,001,413.94x = 1,162,431,360,440,325 - Step 5: Solve for x
x = 1,162,431,360,440,325/39,001,413.94 - Step 6: Final answer
x = 29,804,851.75
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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.