Finding the Fourth Proportional to 27,524,869.13, 37,985,413.84 and 15,135,978.26
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Solution
The fourth proportional to 27,524,869.13, 37,985,413.84 and 15,135,978.26 is: 20,888,251.83
Step by Step Solution
- Step 1: Write the proportion equation
27,524,869.13 : 37,985,413.84 = 15,135,978.26 : x - Step 2: Convert to fraction form
27,524,869.13/37,985,413.84 = 15,135,978.26/x - Step 3: Cross multiply
27,524,869.13x = 37,985,413.84 × 15,135,978.26 - Step 4: Simplify right side
27,524,869.13x = 574,946,398,136,466.62 - Step 5: Solve for x
x = 574,946,398,136,466.62/27,524,869.13 - Step 6: Final answer
x = 20,888,251.83
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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.