Finding the Fourth Proportional to 18,509,109.80, 27,763,664.70 and 5,733,530.60
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Solution
The fourth proportional to 18,509,109.80, 27,763,664.70 and 5,733,530.60 is: 8,600,295.90
Step by Step Solution
- Step 1: Write the proportion equation
18,509,109.80 : 27,763,664.70 = 5,733,530.60 : x - Step 2: Convert to fraction form
18,509,109.80/27,763,664.70 = 5,733,530.60/x - Step 3: Cross multiply
18,509,109.80x = 27,763,664.70 × 5,733,530.60 - Step 4: Simplify right side
18,509,109.80x = 159,183,821,125,589.81 - Step 5: Solve for x
x = 159,183,821,125,589.81/18,509,109.80 - Step 6: Final answer
x = 8,600,295.90
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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.