Finding the Fourth Proportional to 21,546,939.12, 32,314,879.08 and 6,397,355.76
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Solution
The fourth proportional to 21,546,939.12, 32,314,879.08 and 6,397,355.76 is: 9,594,391.88
Step by Step Solution
- Step 1: Write the proportion equation
21,546,939.12 : 32,314,879.08 = 6,397,355.76 : x - Step 2: Convert to fraction form
21,546,939.12/32,314,879.08 = 6,397,355.76/x - Step 3: Cross multiply
21,546,939.12x = 32,314,879.08 × 6,397,355.76 - Step 4: Simplify right side
21,546,939.12x = 206,729,777,816,141.47 - Step 5: Solve for x
x = 206,729,777,816,141.47/21,546,939.12 - Step 6: Final answer
x = 9,594,391.88
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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.