Finding the Fourth Proportional to 7,760,914.62, 11,638,533.69 and 2,966,233.02
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Solution
The fourth proportional to 7,760,914.62, 11,638,533.69 and 2,966,233.02 is: 4,448,264.75
Step by Step Solution
- Step 1: Write the proportion equation
7,760,914.62 : 11,638,533.69 = 2,966,233.02 : x - Step 2: Convert to fraction form
7,760,914.62/11,638,533.69 = 2,966,233.02/x - Step 3: Cross multiply
7,760,914.62x = 11,638,533.69 × 2,966,233.02 - Step 4: Simplify right side
7,760,914.62x = 34,522,602,935,660.44 - Step 5: Solve for x
x = 34,522,602,935,660.44/7,760,914.62 - Step 6: Final answer
x = 4,448,264.75
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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.