Finding the Fourth Proportional to 45,993,107.18, 68,989,660.83 and 18,693,003.80
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Solution
The fourth proportional to 45,993,107.18, 68,989,660.83 and 18,693,003.80 is: 28,039,505.72
Step by Step Solution
- Step 1: Write the proportion equation
45,993,107.18 : 68,989,660.83 = 18,693,003.80 : x - Step 2: Convert to fraction form
45,993,107.18/68,989,660.83 = 18,693,003.80/x - Step 3: Cross multiply
45,993,107.18x = 68,989,660.83 × 18,693,003.80 - Step 4: Simplify right side
45,993,107.18x = 1,289,623,991,710,953 - Step 5: Solve for x
x = 1,289,623,991,710,953/45,993,107.18 - Step 6: Final answer
x = 28,039,505.72
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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.