Finding the Fourth Proportional to 35,420,339.24, 48,863,367.60 and 20,726,992.04
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Solution
The fourth proportional to 35,420,339.24, 48,863,367.60 and 20,726,992.04 is: 28,593,476.32
Step by Step Solution
- Step 1: Write the proportion equation
35,420,339.24 : 48,863,367.60 = 20,726,992.04 : x - Step 2: Convert to fraction form
35,420,339.24/48,863,367.60 = 20,726,992.04/x - Step 3: Cross multiply
35,420,339.24x = 48,863,367.60 × 20,726,992.04 - Step 4: Simplify right side
35,420,339.24x = 1,012,790,631,292,793.88 - Step 5: Solve for x
x = 1,012,790,631,292,793.88/35,420,339.24 - Step 6: Final answer
x = 28,593,476.32
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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.