Finding the Fourth Proportional to 16,270,717.48, 22,453,528.98 and 8,928,674.20
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Solution
The fourth proportional to 16,270,717.48, 22,453,528.98 and 8,928,674.20 is: 12,321,536.84
Step by Step Solution
- Step 1: Write the proportion equation
16,270,717.48 : 22,453,528.98 = 8,928,674.20 : x - Step 2: Convert to fraction form
16,270,717.48/22,453,528.98 = 8,928,674.20/x - Step 3: Cross multiply
16,270,717.48x = 22,453,528.98 × 8,928,674.20 - Step 4: Simplify right side
16,270,717.48x = 200,480,244,902,678.31 - Step 5: Solve for x
x = 200,480,244,902,678.31/16,270,717.48 - Step 6: Final answer
x = 12,321,536.84
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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.