Finding the Fourth Proportional to 19,683,183.07, 27,162,809.57 and 10,981,357.03
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Solution
The fourth proportional to 19,683,183.07, 27,162,809.57 and 10,981,357.03 is: 15,154,282.14
Step by Step Solution
- Step 1: Write the proportion equation
19,683,183.07 : 27,162,809.57 = 10,981,357.03 : x - Step 2: Convert to fraction form
19,683,183.07/27,162,809.57 = 10,981,357.03/x - Step 3: Cross multiply
19,683,183.07x = 27,162,809.57 × 10,981,357.03 - Step 4: Simplify right side
19,683,183.07x = 298,284,509,635,350 - Step 5: Solve for x
x = 298,284,509,635,350/19,683,183.07 - Step 6: Final answer
x = 15,154,282.14
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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.