Finding the Fourth Proportional to 18,636,168.36, 27,940,022.28 and 5,849,275.08
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Solution
The fourth proportional to 18,636,168.36, 27,940,022.28 and 5,849,275.08 is: 8,769,446.21
Step by Step Solution
- Step 1: Write the proportion equation
18,636,168.36 : 27,940,022.28 = 5,849,275.08 : x - Step 2: Convert to fraction form
18,636,168.36/27,940,022.28 = 5,849,275.08/x - Step 3: Cross multiply
18,636,168.36x = 27,940,022.28 × 5,849,275.08 - Step 4: Simplify right side
18,636,168.36x = 163,428,876,057,048.78 - Step 5: Solve for x
x = 163,428,876,057,048.78/18,636,168.36 - Step 6: Final answer
x = 8,769,446.21
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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.