Finding the Fourth Proportional to 18,012,906.16, 27,021,020.19 and 5,882,433.18
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Solution
The fourth proportional to 18,012,906.16, 27,021,020.19 and 5,882,433.18 is: 8,824,192.18
Step by Step Solution
- Step 1: Write the proportion equation
18,012,906.16 : 27,021,020.19 = 5,882,433.18 : x - Step 2: Convert to fraction form
18,012,906.16/27,021,020.19 = 5,882,433.18/x - Step 3: Cross multiply
18,012,906.16x = 27,021,020.19 × 5,882,433.18 - Step 4: Simplify right side
18,012,906.16x = 158,949,345,723,105.91 - Step 5: Solve for x
x = 158,949,345,723,105.91/18,012,906.16 - Step 6: Final answer
x = 8,824,192.18
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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.