Finding the Fourth Proportional to 10,366,236.51, 15,549,361.67 and 4,299,339.26
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Solution
The fourth proportional to 10,366,236.51, 15,549,361.67 and 4,299,339.26 is: 6,449,011.75
Step by Step Solution
- Step 1: Write the proportion equation
10,366,236.51 : 15,549,361.67 = 4,299,339.26 : x - Step 2: Convert to fraction form
10,366,236.51/15,549,361.67 = 4,299,339.26/x - Step 3: Cross multiply
10,366,236.51x = 15,549,361.67 × 4,299,339.26 - Step 4: Simplify right side
10,366,236.51x = 66,851,981,095,770.16 - Step 5: Solve for x
x = 66,851,981,095,770.16/10,366,236.51 - Step 6: Final answer
x = 6,449,011.75
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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.