Finding the Fourth Proportional to 25,638,323.16, 38,463,602.84 and 8,366,556.18
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Solution
The fourth proportional to 25,638,323.16, 38,463,602.84 and 8,366,556.18 is: 12,551,830.79
Step by Step Solution
- Step 1: Write the proportion equation
25,638,323.16 : 38,463,602.84 = 8,366,556.18 : x - Step 2: Convert to fraction form
25,638,323.16/38,463,602.84 = 8,366,556.18/x - Step 3: Cross multiply
25,638,323.16x = 38,463,602.84 × 8,366,556.18 - Step 4: Simplify right side
25,638,323.16x = 321,807,894,008,446.25 - Step 5: Solve for x
x = 321,807,894,008,446.25/25,638,323.16 - Step 6: Final answer
x = 12,551,830.79
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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.