Finding the Fourth Proportional to 8,349,961.74, 11,516,115.50 and 5,877,367.62
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Solution
The fourth proportional to 8,349,961.74, 11,516,115.50 and 5,877,367.62 is: 8,105,958.62
Step by Step Solution
- Step 1: Write the proportion equation
8,349,961.74 : 11,516,115.50 = 5,877,367.62 : x - Step 2: Convert to fraction form
8,349,961.74/11,516,115.50 = 5,877,367.62/x - Step 3: Cross multiply
8,349,961.74x = 11,516,115.50 × 5,877,367.62 - Step 4: Simplify right side
8,349,961.74x = 67,684,444,260,912.70 - Step 5: Solve for x
x = 67,684,444,260,912.70/8,349,961.74 - Step 6: Final answer
x = 8,105,958.62
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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.