Finding the Fourth Proportional to 36,197,193.60, 54,402,078.60 and 31,520,512.80
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Solution
The fourth proportional to 36,197,193.60, 54,402,078.60 and 31,520,512.80 is: 47,373,324.95
Step by Step Solution
- Step 1: Write the proportion equation
36,197,193.60 : 54,402,078.60 = 31,520,512.80 : x - Step 2: Convert to fraction form
36,197,193.60/54,402,078.60 = 31,520,512.80/x - Step 3: Cross multiply
36,197,193.60x = 54,402,078.60 × 31,520,512.80 - Step 4: Simplify right side
36,197,193.60x = 1,714,781,414,857,906.25 - Step 5: Solve for x
x = 1,714,781,414,857,906.25/36,197,193.60 - Step 6: Final answer
x = 47,373,324.95
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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.