Finding the Fourth Proportional to 8,203,981.08, 11,320,912.08 and 4,532,857.48
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Solution
The fourth proportional to 8,203,981.08, 11,320,912.08 and 4,532,857.48 is: 6,255,021.86
Step by Step Solution
- Step 1: Write the proportion equation
8,203,981.08 : 11,320,912.08 = 4,532,857.48 : x - Step 2: Convert to fraction form
8,203,981.08/11,320,912.08 = 4,532,857.48/x - Step 3: Cross multiply
8,203,981.08x = 11,320,912.08 × 4,532,857.48 - Step 4: Simplify right side
8,203,981.08x = 51,316,081,002,250.37 - Step 5: Solve for x
x = 51,316,081,002,250.37/8,203,981.08 - Step 6: Final answer
x = 6,255,021.86
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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.