Finding the Fourth Proportional to 5,318,694.18, 7,927,446.15 and 5,015,993.94
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Solution
The fourth proportional to 5,318,694.18, 7,927,446.15 and 5,015,993.94 is: 7,476,275.29
Step by Step Solution
- Step 1: Write the proportion equation
5,318,694.18 : 7,927,446.15 = 5,015,993.94 : x - Step 2: Convert to fraction form
5,318,694.18/7,927,446.15 = 5,015,993.94/x - Step 3: Cross multiply
5,318,694.18x = 7,927,446.15 × 5,015,993.94 - Step 4: Simplify right side
5,318,694.18x = 39,764,021,848,076.34 - Step 5: Solve for x
x = 39,764,021,848,076.34/5,318,694.18 - Step 6: Final answer
x = 7,476,275.29
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.