Finding the Fourth Proportional to 19,683,183.57, 27,162,810.26 and 10,981,357.53
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Solution
The fourth proportional to 19,683,183.57, 27,162,810.26 and 10,981,357.53 is: 15,154,282.84
Step by Step Solution
- Step 1: Write the proportion equation
19,683,183.57 : 27,162,810.26 = 10,981,357.53 : x - Step 2: Convert to fraction form
19,683,183.57/27,162,810.26 = 10,981,357.53/x - Step 3: Cross multiply
19,683,183.57x = 27,162,810.26 × 10,981,357.53 - Step 4: Simplify right side
19,683,183.57x = 298,284,530,984,612.25 - Step 5: Solve for x
x = 298,284,530,984,612.25/19,683,183.57 - Step 6: Final answer
x = 15,154,282.84
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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.