Finding the Fourth Proportional to 12,744,063.48, 19,106,470.26 and 7,694,167.80
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Solution
The fourth proportional to 12,744,063.48, 19,106,470.26 and 7,694,167.80 is: 11,535,440.68
Step by Step Solution
- Step 1: Write the proportion equation
12,744,063.48 : 19,106,470.26 = 7,694,167.80 : x - Step 2: Convert to fraction form
12,744,063.48/19,106,470.26 = 7,694,167.80/x - Step 3: Cross multiply
12,744,063.48x = 19,106,470.26 × 7,694,167.80 - Step 4: Simplify right side
12,744,063.48x = 147,008,388,246,149.62 - Step 5: Solve for x
x = 147,008,388,246,149.62/12,744,063.48 - Step 6: Final answer
x = 11,535,440.68
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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.