Finding the Fourth Proportional to 11,270,717.16, 15,553,619.64 and 6,114,078.70
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Solution
The fourth proportional to 11,270,717.16, 15,553,619.64 and 6,114,078.70 is: 8,437,444.86
Step by Step Solution
- Step 1: Write the proportion equation
11,270,717.16 : 15,553,619.64 = 6,114,078.70 : x - Step 2: Convert to fraction form
11,270,717.16/15,553,619.64 = 6,114,078.70/x - Step 3: Cross multiply
11,270,717.16x = 15,553,619.64 × 6,114,078.70 - Step 4: Simplify right side
11,270,717.16x = 95,096,054,548,825.67 - Step 5: Solve for x
x = 95,096,054,548,825.67/11,270,717.16 - Step 6: Final answer
x = 8,437,444.86
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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.