Finding the Fourth Proportional to 16,542,803.40, 24,814,982.70 and 5,183,622.60
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Solution
The fourth proportional to 16,542,803.40, 24,814,982.70 and 5,183,622.60 is: 7,775,677.56
Step by Step Solution
- Step 1: Write the proportion equation
16,542,803.40 : 24,814,982.70 = 5,183,622.60 : x - Step 2: Convert to fraction form
16,542,803.40/24,814,982.70 = 5,183,622.60/x - Step 3: Cross multiply
16,542,803.40x = 24,814,982.70 × 5,183,622.60 - Step 4: Simplify right side
16,542,803.40x = 128,631,505,142,329 - Step 5: Solve for x
x = 128,631,505,142,329/16,542,803.40 - Step 6: Final answer
x = 7,775,677.56
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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.