Finding the Fourth Proportional to 32,138,897.09, 44,354,413.27 and 18,202,731.33
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Solution
The fourth proportional to 32,138,897.09, 44,354,413.27 and 18,202,731.33 is: 25,121,318.43
Step by Step Solution
- Step 1: Write the proportion equation
32,138,897.09 : 44,354,413.27 = 18,202,731.33 : x - Step 2: Convert to fraction form
32,138,897.09/44,354,413.27 = 18,202,731.33/x - Step 3: Cross multiply
32,138,897.09x = 44,354,413.27 × 18,202,731.33 - Step 4: Simplify right side
32,138,897.09x = 807,371,468,044,371.75 - Step 5: Solve for x
x = 807,371,468,044,371.75/32,138,897.09 - Step 6: Final answer
x = 25,121,318.43
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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.