Finding the Fourth Proportional to 8,492,521.40, 11,719,597.95 and 4,625,107.14
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Solution
The fourth proportional to 8,492,521.40, 11,719,597.95 and 4,625,107.14 is: 6,382,603.43
Step by Step Solution
- Step 1: Write the proportion equation
8,492,521.40 : 11,719,597.95 = 4,625,107.14 : x - Step 2: Convert to fraction form
8,492,521.40/11,719,597.95 = 4,625,107.14/x - Step 3: Cross multiply
8,492,521.40x = 11,719,597.95 × 4,625,107.14 - Step 4: Simplify right side
8,492,521.40x = 54,204,396,156,474.36 - Step 5: Solve for x
x = 54,204,396,156,474.36/8,492,521.40 - Step 6: Final answer
x = 6,382,603.43
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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.