Finding the Fourth Proportional to 8,165,941.38, 11,269,039.68 and 4,495,227.12
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Solution
The fourth proportional to 8,165,941.38, 11,269,039.68 and 4,495,227.12 is: 6,203,435.76
Step by Step Solution
- Step 1: Write the proportion equation
8,165,941.38 : 11,269,039.68 = 4,495,227.12 : x - Step 2: Convert to fraction form
8,165,941.38/11,269,039.68 = 4,495,227.12/x - Step 3: Cross multiply
8,165,941.38x = 11,269,039.68 × 4,495,227.12 - Step 4: Simplify right side
8,165,941.38x = 50,656,892,785,892.12 - Step 5: Solve for x
x = 50,656,892,785,892.12/8,165,941.38 - Step 6: Final answer
x = 6,203,435.76
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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.