Finding the Fourth Proportional to 6,143,366.51, 8,479,532.21 and 3,565,877.66
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Solution
The fourth proportional to 6,143,366.51, 8,479,532.21 and 3,565,877.66 is: 4,921,890.04
Step by Step Solution
- Step 1: Write the proportion equation
6,143,366.51 : 8,479,532.21 = 3,565,877.66 : x - Step 2: Convert to fraction form
6,143,366.51/8,479,532.21 = 3,565,877.66/x - Step 3: Cross multiply
6,143,366.51x = 8,479,532.21 × 3,565,877.66 - Step 4: Simplify right side
6,143,366.51x = 30,236,974,414,662.38 - Step 5: Solve for x
x = 30,236,974,414,662.38/6,143,366.51 - Step 6: Final answer
x = 4,921,890.04
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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.