Finding the Fourth Proportional to 18,370,743.94, 27,573,138.60 and 9,279,213.94
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Solution
The fourth proportional to 18,370,743.94, 27,573,138.60 and 9,279,213.94 is: 13,927,419.21
Step by Step Solution
- Step 1: Write the proportion equation
18,370,743.94 : 27,573,138.60 = 9,279,213.94 : x - Step 2: Convert to fraction form
18,370,743.94/27,573,138.60 = 9,279,213.94/x - Step 3: Cross multiply
18,370,743.94x = 27,573,138.60 × 9,279,213.94 - Step 4: Simplify right side
18,370,743.94x = 255,857,052,066,672.09 - Step 5: Solve for x
x = 255,857,052,066,672.09/18,370,743.94 - Step 6: Final answer
x = 13,927,419.21
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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.