Finding the Fourth Proportional to 7,392,936.40, 11,090,455.27 and 2,275,791.98
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Solution
The fourth proportional to 7,392,936.40, 11,090,455.27 and 2,275,791.98 is: 3,414,011.39
Step by Step Solution
- Step 1: Write the proportion equation
7,392,936.40 : 11,090,455.27 = 2,275,791.98 : x - Step 2: Convert to fraction form
7,392,936.40/11,090,455.27 = 2,275,791.98/x - Step 3: Cross multiply
7,392,936.40x = 11,090,455.27 × 2,275,791.98 - Step 4: Simplify right side
7,392,936.40x = 25,239,569,096,872.98 - Step 5: Solve for x
x = 25,239,569,096,872.98/7,392,936.40 - Step 6: Final answer
x = 3,414,011.39
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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.