Finding the Fourth Proportional to 10,202,917.51, 14,080,662.84 and 5,619,237.67
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Solution
The fourth proportional to 10,202,917.51, 14,080,662.84 and 5,619,237.67 is: 7,754,898.63
Step by Step Solution
- Step 1: Write the proportion equation
10,202,917.51 : 14,080,662.84 = 5,619,237.67 : x - Step 2: Convert to fraction form
10,202,917.51/14,080,662.84 = 5,619,237.67/x - Step 3: Cross multiply
10,202,917.51x = 14,080,662.84 × 5,619,237.67 - Step 4: Simplify right side
10,202,917.51x = 79,122,591,049,097.19 - Step 5: Solve for x
x = 79,122,591,049,097.19/10,202,917.51 - Step 6: Final answer
x = 7,754,898.63
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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.