Finding the Fourth Proportional to 8,076,832.63, 11,160,543.99 and 6,139,730.19
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Solution
The fourth proportional to 8,076,832.63, 11,160,543.99 and 6,139,730.19 is: 8,483,861.43
Step by Step Solution
- Step 1: Write the proportion equation
8,076,832.63 : 11,160,543.99 = 6,139,730.19 : x - Step 2: Convert to fraction form
8,076,832.63/11,160,543.99 = 6,139,730.19/x - Step 3: Cross multiply
8,076,832.63x = 11,160,543.99 × 6,139,730.19 - Step 4: Simplify right side
8,076,832.63x = 68,522,728,874,324.03 - Step 5: Solve for x
x = 68,522,728,874,324.03/8,076,832.63 - Step 6: Final answer
x = 8,483,861.43
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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.