Finding the Fourth Proportional to 8,122,236.48, 11,207,475.36 and 5,027,872.32
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Solution
The fourth proportional to 8,122,236.48, 11,207,475.36 and 5,027,872.32 is: 6,937,714.17
Step by Step Solution
- Step 1: Write the proportion equation
8,122,236.48 : 11,207,475.36 = 5,027,872.32 : x - Step 2: Convert to fraction form
8,122,236.48/11,207,475.36 = 5,027,872.32/x - Step 3: Cross multiply
8,122,236.48x = 11,207,475.36 × 5,027,872.32 - Step 4: Simplify right side
8,122,236.48x = 56,349,755,139,626.04 - Step 5: Solve for x
x = 56,349,755,139,626.04/8,122,236.48 - Step 6: Final answer
x = 6,937,714.17
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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.