Finding the Fourth Proportional to 7,165,496.57, 9,889,202.12 and 4,264,896.69
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Solution
The fourth proportional to 7,165,496.57, 9,889,202.12 and 4,264,896.69 is: 5,886,043.62
Step by Step Solution
- Step 1: Write the proportion equation
7,165,496.57 : 9,889,202.12 = 4,264,896.69 : x - Step 2: Convert to fraction form
7,165,496.57/9,889,202.12 = 4,264,896.69/x - Step 3: Cross multiply
7,165,496.57x = 9,889,202.12 × 4,264,896.69 - Step 4: Simplify right side
7,165,496.57x = 42,176,425,367,004.51 - Step 5: Solve for x
x = 42,176,425,367,004.51/7,165,496.57 - Step 6: Final answer
x = 5,886,043.62
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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.