Finding the Fourth Proportional to 10,543,413.23, 15,815,813.79 and 2,762,518.05
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Solution
The fourth proportional to 10,543,413.23, 15,815,813.79 and 2,762,518.05 is: 4,143,958.90
Step by Step Solution
- Step 1: Write the proportion equation
10,543,413.23 : 15,815,813.79 = 2,762,518.05 : x - Step 2: Convert to fraction form
10,543,413.23/15,815,813.79 = 2,762,518.05/x - Step 3: Cross multiply
10,543,413.23x = 15,815,813.79 × 2,762,518.05 - Step 4: Simplify right side
10,543,413.23x = 43,691,471,098,277.94 - Step 5: Solve for x
x = 43,691,471,098,277.94/10,543,413.23 - Step 6: Final answer
x = 4,143,958.90
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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.