Finding the Fourth Proportional to 32,043,998.70, 48,065,998.05 and 21,275,793.90
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Solution
The fourth proportional to 32,043,998.70, 48,065,998.05 and 21,275,793.90 is: 31,913,690.85
Step by Step Solution
- Step 1: Write the proportion equation
32,043,998.70 : 48,065,998.05 = 21,275,793.90 : x - Step 2: Convert to fraction form
32,043,998.70/48,065,998.05 = 21,275,793.90/x - Step 3: Cross multiply
32,043,998.70x = 48,065,998.05 × 21,275,793.90 - Step 4: Simplify right side
32,043,998.70x = 1,022,642,268,109,601.75 - Step 5: Solve for x
x = 1,022,642,268,109,601.75/32,043,998.70 - Step 6: Final answer
x = 31,913,690.85
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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.