Finding the Fourth Proportional to 36,382,616.70, 54,573,925.05 and 18,189,619.80
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Solution
The fourth proportional to 36,382,616.70, 54,573,925.05 and 18,189,619.80 is: 27,284,429.70
Step by Step Solution
- Step 1: Write the proportion equation
36,382,616.70 : 54,573,925.05 = 18,189,619.80 : x - Step 2: Convert to fraction form
36,382,616.70/54,573,925.05 = 18,189,619.80/x - Step 3: Cross multiply
36,382,616.70x = 54,573,925.05 × 18,189,619.80 - Step 4: Simplify right side
36,382,616.70x = 992,678,947,653,196 - Step 5: Solve for x
x = 992,678,947,653,196/36,382,616.70 - Step 6: Final answer
x = 27,284,429.70
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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.