Finding the Fourth Proportional to 13,493,608.74, 20,240,396.82 and 4,395,691.49
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Solution
The fourth proportional to 13,493,608.74, 20,240,396.82 and 4,395,691.49 is: 6,593,531.92
Step by Step Solution
- Step 1: Write the proportion equation
13,493,608.74 : 20,240,396.82 = 4,395,691.49 : x - Step 2: Convert to fraction form
13,493,608.74/20,240,396.82 = 4,395,691.49/x - Step 3: Cross multiply
13,493,608.74x = 20,240,396.82 × 4,395,691.49 - Step 4: Simplify right side
13,493,608.74x = 88,970,539,954,695.08 - Step 5: Solve for x
x = 88,970,539,954,695.08/13,493,608.74 - Step 6: Final answer
x = 6,593,531.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.