Finding the Fourth Proportional to 31,471,413.09, 47,195,162.20 and 15,059,851.62
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Solution
The fourth proportional to 31,471,413.09, 47,195,162.20 and 15,059,851.62 is: 22,584,055.50
Step by Step Solution
- Step 1: Write the proportion equation
31,471,413.09 : 47,195,162.20 = 15,059,851.62 : x - Step 2: Convert to fraction form
31,471,413.09/47,195,162.20 = 15,059,851.62/x - Step 3: Cross multiply
31,471,413.09x = 47,195,162.20 × 15,059,851.62 - Step 4: Simplify right side
31,471,413.09x = 710,752,139,755,675.75 - Step 5: Solve for x
x = 710,752,139,755,675.75/31,471,413.09 - Step 6: Final answer
x = 22,584,055.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.