Finding the Fourth Proportional to 7,362,750.12, 10,160,473.86 and 4,307,481.96
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Solution
The fourth proportional to 7,362,750.12, 10,160,473.86 and 4,307,481.96 is: 5,944,254.14
Step by Step Solution
- Step 1: Write the proportion equation
7,362,750.12 : 10,160,473.86 = 4,307,481.96 : x - Step 2: Convert to fraction form
7,362,750.12/10,160,473.86 = 4,307,481.96/x - Step 3: Cross multiply
7,362,750.12x = 10,160,473.86 × 4,307,481.96 - Step 4: Simplify right side
7,362,750.12x = 43,766,057,857,001.56 - Step 5: Solve for x
x = 43,766,057,857,001.56/7,362,750.12 - Step 6: Final answer
x = 5,944,254.14
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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.