Finding the Fourth Proportional to 18,349,323.77, 27,505,805.05 and 8,616,514.08
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Solution
The fourth proportional to 18,349,323.77, 27,505,805.05 and 8,616,514.08 is: 12,916,233.84
Step by Step Solution
- Step 1: Write the proportion equation
18,349,323.77 : 27,505,805.05 = 8,616,514.08 : x - Step 2: Convert to fraction form
18,349,323.77/27,505,805.05 = 8,616,514.08/x - Step 3: Cross multiply
18,349,323.77x = 27,505,805.05 × 8,616,514.08 - Step 4: Simplify right side
18,349,323.77x = 237,004,156,608,977.53 - Step 5: Solve for x
x = 237,004,156,608,977.53/18,349,323.77 - Step 6: Final answer
x = 12,916,233.84
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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.