Finding the Fourth Proportional to 12,183,390.36, 18,275,128.74 and 3,085,485.48
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Solution
The fourth proportional to 12,183,390.36, 18,275,128.74 and 3,085,485.48 is: 4,628,239.16
Step by Step Solution
- Step 1: Write the proportion equation
12,183,390.36 : 18,275,128.74 = 3,085,485.48 : x - Step 2: Convert to fraction form
12,183,390.36/18,275,128.74 = 3,085,485.48/x - Step 3: Cross multiply
12,183,390.36x = 18,275,128.74 × 3,085,485.48 - Step 4: Simplify right side
12,183,390.36x = 56,387,644,372,400.69 - Step 5: Solve for x
x = 56,387,644,372,400.69/12,183,390.36 - Step 6: Final answer
x = 4,628,239.16
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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.