Finding the Fourth Proportional to 32,307,421.20, 48,413,892.60 and 27,489,022.80
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Solution
The fourth proportional to 32,307,421.20, 48,413,892.60 and 27,489,022.80 is: 41,193,340.36
Step by Step Solution
- Step 1: Write the proportion equation
32,307,421.20 : 48,413,892.60 = 27,489,022.80 : x - Step 2: Convert to fraction form
32,307,421.20/48,413,892.60 = 27,489,022.80/x - Step 3: Cross multiply
32,307,421.20x = 48,413,892.60 × 27,489,022.80 - Step 4: Simplify right side
32,307,421.20x = 1,330,850,597,518,151.25 - Step 5: Solve for x
x = 1,330,850,597,518,151.25/32,307,421.20 - Step 6: Final answer
x = 41,193,340.36
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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.