Finding the Fourth Proportional to 8,203,721.82, 11,321,364.38 and 4,532,874.87
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Solution
The fourth proportional to 8,203,721.82, 11,321,364.38 and 4,532,874.87 is: 6,255,493.45
Step by Step Solution
- Step 1: Write the proportion equation
8,203,721.82 : 11,321,364.38 = 4,532,874.87 : x - Step 2: Convert to fraction form
8,203,721.82/11,321,364.38 = 4,532,874.87/x - Step 3: Cross multiply
8,203,721.82x = 11,321,364.38 × 4,532,874.87 - Step 4: Simplify right side
8,203,721.82x = 51,318,328,092,215.13 - Step 5: Solve for x
x = 51,318,328,092,215.13/8,203,721.82 - Step 6: Final answer
x = 6,255,493.45
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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.