Finding the Fourth Proportional to 18,601,551.87, 27,903,413.70 and 5,648,125.11
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Solution
The fourth proportional to 18,601,551.87, 27,903,413.70 and 5,648,125.11 is: 8,472,517.38
Step by Step Solution
- Step 1: Write the proportion equation
18,601,551.87 : 27,903,413.70 = 5,648,125.11 : x - Step 2: Convert to fraction form
18,601,551.87/27,903,413.70 = 5,648,125.11/x - Step 3: Cross multiply
18,601,551.87x = 27,903,413.70 × 5,648,125.11 - Step 4: Simplify right side
18,601,551.87x = 157,601,971,573,688 - Step 5: Solve for x
x = 157,601,971,573,688/18,601,551.87 - Step 6: Final answer
x = 8,472,517.38
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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.