Finding the Fourth Proportional to 16,499,942.26, 22,770,162.93 and 9,158,246.44
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Solution
The fourth proportional to 16,499,942.26, 22,770,162.93 and 9,158,246.44 is: 12,638,514.75
Step by Step Solution
- Step 1: Write the proportion equation
16,499,942.26 : 22,770,162.93 = 9,158,246.44 : x - Step 2: Convert to fraction form
16,499,942.26/22,770,162.93 = 9,158,246.44/x - Step 3: Cross multiply
16,499,942.26x = 22,770,162.93 × 9,158,246.44 - Step 4: Simplify right side
16,499,942.26x = 208,534,763,591,892.47 - Step 5: Solve for x
x = 208,534,763,591,892.47/16,499,942.26 - Step 6: Final answer
x = 12,638,514.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.