Finding the Fourth Proportional to 18,013,843.36, 27,020,828.22 and 4,366,934.20
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Solution
The fourth proportional to 18,013,843.36, 27,020,828.22 and 4,366,934.20 is: 6,550,416.62
Step by Step Solution
- Step 1: Write the proportion equation
18,013,843.36 : 27,020,828.22 = 4,366,934.20 : x - Step 2: Convert to fraction form
18,013,843.36/27,020,828.22 = 4,366,934.20/x - Step 3: Cross multiply
18,013,843.36x = 27,020,828.22 × 4,366,934.20 - Step 4: Simplify right side
18,013,843.36x = 117,998,178,866,243.12 - Step 5: Solve for x
x = 117,998,178,866,243.12/18,013,843.36 - Step 6: Final answer
x = 6,550,416.62
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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.