Finding the Fourth Proportional to 7,379,022.87, 11,058,129.93 and 3,484,324.56
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Solution
The fourth proportional to 7,379,022.87, 11,058,129.93 and 3,484,324.56 is: 5,221,573.96
Step by Step Solution
- Step 1: Write the proportion equation
7,379,022.87 : 11,058,129.93 = 3,484,324.56 : x - Step 2: Convert to fraction form
7,379,022.87/11,058,129.93 = 3,484,324.56/x - Step 3: Cross multiply
7,379,022.87x = 11,058,129.93 × 3,484,324.56 - Step 4: Simplify right side
7,379,022.87x = 38,530,113,702,770.08 - Step 5: Solve for x
x = 38,530,113,702,770.08/7,379,022.87 - Step 6: Final answer
x = 5,221,573.96
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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.