Finding the Fourth Proportional to 18,410,576.06, 27,616,971.26 and 5,631,191.48
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Solution
The fourth proportional to 18,410,576.06, 27,616,971.26 and 5,631,191.48 is: 8,447,125.87
Step by Step Solution
- Step 1: Write the proportion equation
18,410,576.06 : 27,616,971.26 = 5,631,191.48 : x - Step 2: Convert to fraction form
18,410,576.06/27,616,971.26 = 5,631,191.48/x - Step 3: Cross multiply
18,410,576.06x = 27,616,971.26 × 5,631,191.48 - Step 4: Simplify right side
18,410,576.06x = 155,516,453,345,837.25 - Step 5: Solve for x
x = 155,516,453,345,837.25/18,410,576.06 - Step 6: Final answer
x = 8,447,125.87
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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.