Finding the Fourth Proportional to 6,992,272.16, 9,649,604.72 and 4,052,190.08
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Solution
The fourth proportional to 6,992,272.16, 9,649,604.72 and 4,052,190.08 is: 5,592,178.28
Step by Step Solution
- Step 1: Write the proportion equation
6,992,272.16 : 9,649,604.72 = 4,052,190.08 : x - Step 2: Convert to fraction form
6,992,272.16/9,649,604.72 = 4,052,190.08/x - Step 3: Cross multiply
6,992,272.16x = 9,649,604.72 × 4,052,190.08 - Step 4: Simplify right side
6,992,272.16x = 39,102,032,522,305.18 - Step 5: Solve for x
x = 39,102,032,522,305.18/6,992,272.16 - Step 6: Final answer
x = 5,592,178.28
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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.