Finding the Fourth Proportional to 45,993,116.37, 68,989,674.62 and 18,693,012.99
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Solution
The fourth proportional to 45,993,116.37, 68,989,674.62 and 18,693,012.99 is: 28,039,519.51
Step by Step Solution
- Step 1: Write the proportion equation
45,993,116.37 : 68,989,674.62 = 18,693,012.99 : x - Step 2: Convert to fraction form
45,993,116.37/68,989,674.62 = 18,693,012.99/x - Step 3: Cross multiply
45,993,116.37x = 68,989,674.62 × 18,693,012.99 - Step 4: Simplify right side
45,993,116.37x = 1,289,624,883,754,068 - Step 5: Solve for x
x = 1,289,624,883,754,068/45,993,116.37 - Step 6: Final answer
x = 28,039,519.51
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1.5x scale
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.