Finding the Fourth Proportional to 18,411,908.84, 27,616,861.90 and 5,632,413.53
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Solution
The fourth proportional to 18,411,908.84, 27,616,861.90 and 5,632,413.53 is: 8,448,313.97
Step by Step Solution
- Step 1: Write the proportion equation
18,411,908.84 : 27,616,861.90 = 5,632,413.53 : x - Step 2: Convert to fraction form
18,411,908.84/27,616,861.90 = 5,632,413.53/x - Step 3: Cross multiply
18,411,908.84x = 27,616,861.90 × 5,632,413.53 - Step 4: Simplify right side
18,411,908.84x = 155,549,586,676,662.62 - Step 5: Solve for x
x = 155,549,586,676,662.62/18,411,908.84 - Step 6: Final answer
x = 8,448,313.97
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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.