Finding the Fourth Proportional to 38,351,251.88, 52,924,413.12 and 20,947,608.08
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Solution
The fourth proportional to 38,351,251.88, 52,924,413.12 and 20,947,608.08 is: 28,907,527.38
Step by Step Solution
- Step 1: Write the proportion equation
38,351,251.88 : 52,924,413.12 = 20,947,608.08 : x - Step 2: Convert to fraction form
38,351,251.88/52,924,413.12 = 20,947,608.08/x - Step 3: Cross multiply
38,351,251.88x = 52,924,413.12 × 20,947,608.08 - Step 4: Simplify right side
38,351,251.88x = 1,108,639,863,901,769.88 - Step 5: Solve for x
x = 1,108,639,863,901,769.88/38,351,251.88 - Step 6: Final answer
x = 28,907,527.38
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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.