Finding the Fourth Proportional to 7,148,608.94, 9,865,034.30 and 4,093,413.68
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Solution
The fourth proportional to 7,148,608.94, 9,865,034.30 and 4,093,413.68 is: 5,648,884.52
Step by Step Solution
- Step 1: Write the proportion equation
7,148,608.94 : 9,865,034.30 = 4,093,413.68 : x - Step 2: Convert to fraction form
7,148,608.94/9,865,034.30 = 4,093,413.68/x - Step 3: Cross multiply
7,148,608.94x = 9,865,034.30 × 4,093,413.68 - Step 4: Simplify right side
7,148,608.94x = 40,381,666,357,289.23 - Step 5: Solve for x
x = 40,381,666,357,289.23/7,148,608.94 - Step 6: Final answer
x = 5,648,884.52
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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.