Finding the Fourth Proportional to 27,981,172.92, 38,614,097.04 and 16,222,726.44
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Solution
The fourth proportional to 27,981,172.92, 38,614,097.04 and 16,222,726.44 is: 22,387,407.95
Step by Step Solution
- Step 1: Write the proportion equation
27,981,172.92 : 38,614,097.04 = 16,222,726.44 : x - Step 2: Convert to fraction form
27,981,172.92/38,614,097.04 = 16,222,726.44/x - Step 3: Cross multiply
27,981,172.92x = 38,614,097.04 × 16,222,726.44 - Step 4: Simplify right side
27,981,172.92x = 626,425,933,007,533.75 - Step 5: Solve for x
x = 626,425,933,007,533.75/27,981,172.92 - Step 6: Final answer
x = 22,387,407.95
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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.