Finding the Fourth Proportional to 10,366,636.54, 15,549,842.49 and 3,543,144.70
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Solution
The fourth proportional to 10,366,636.54, 15,549,842.49 and 3,543,144.70 is: 5,314,678.66
Step by Step Solution
- Step 1: Write the proportion equation
10,366,636.54 : 15,549,842.49 = 3,543,144.70 : x - Step 2: Convert to fraction form
10,366,636.54/15,549,842.49 = 3,543,144.70/x - Step 3: Cross multiply
10,366,636.54x = 15,549,842.49 × 3,543,144.70 - Step 4: Simplify right side
10,366,636.54x = 55,095,342,004,278.30 - Step 5: Solve for x
x = 55,095,342,004,278.30/10,366,636.54 - Step 6: Final answer
x = 5,314,678.66
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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.