Finding the Fourth Proportional to 14,192,287.26, 19,585,364.25 and 7,665,916.68
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Solution
The fourth proportional to 14,192,287.26, 19,585,364.25 and 7,665,916.68 is: 10,578,969.25
Step by Step Solution
- Step 1: Write the proportion equation
14,192,287.26 : 19,585,364.25 = 7,665,916.68 : x - Step 2: Convert to fraction form
14,192,287.26/19,585,364.25 = 7,665,916.68/x - Step 3: Cross multiply
14,192,287.26x = 19,585,364.25 × 7,665,916.68 - Step 4: Simplify right side
14,192,287.26x = 150,139,770,516,697.88 - Step 5: Solve for x
x = 150,139,770,516,697.88/14,192,287.26 - Step 6: Final answer
x = 10,578,969.25
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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.