Finding the Fourth Proportional to 7,025,101.36, 9,691,089.24 and 4,702,090.96
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Solution
The fourth proportional to 7,025,101.36, 9,691,089.24 and 4,702,090.96 is: 6,486,508.99
Step by Step Solution
- Step 1: Write the proportion equation
7,025,101.36 : 9,691,089.24 = 4,702,090.96 : x - Step 2: Convert to fraction form
7,025,101.36/9,691,089.24 = 4,702,090.96/x - Step 3: Cross multiply
7,025,101.36x = 9,691,089.24 × 4,702,090.96 - Step 4: Simplify right side
7,025,101.36x = 45,568,383,107,957.27 - Step 5: Solve for x
x = 45,568,383,107,957.27/7,025,101.36 - Step 6: Final answer
x = 6,486,508.99
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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.