Finding the Fourth Proportional to 16,638,183.80, 23,343,845.80 and 16,638,183.80
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Solution
The fourth proportional to 16,638,183.80, 23,343,845.80 and 16,638,183.80 is: 23,343,845.80
Step by Step Solution
- Step 1: Write the proportion equation
16,638,183.80 : 23,343,845.80 = 16,638,183.80 : x - Step 2: Convert to fraction form
16,638,183.80/23,343,845.80 = 16,638,183.80/x - Step 3: Cross multiply
16,638,183.80x = 23,343,845.80 × 16,638,183.80 - Step 4: Simplify right side
16,638,183.80x = 388,399,197,019,258.06 - Step 5: Solve for x
x = 388,399,197,019,258.06/16,638,183.80 - Step 6: Final answer
x = 23,343,845.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.