Finding the Fourth Proportional to 10,585,872.40, 14,611,793.16 and 8,414,268.88
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Solution
The fourth proportional to 10,585,872.40, 14,611,793.16 and 8,414,268.88 is: 11,614,305.54
Step by Step Solution
- Step 1: Write the proportion equation
10,585,872.40 : 14,611,793.16 = 8,414,268.88 : x - Step 2: Convert to fraction form
10,585,872.40/14,611,793.16 = 8,414,268.88/x - Step 3: Cross multiply
10,585,872.40x = 14,611,793.16 × 8,414,268.88 - Step 4: Simplify right side
10,585,872.40x = 122,947,556,467,184.88 - Step 5: Solve for x
x = 122,947,556,467,184.88/10,585,872.40 - Step 6: Final answer
x = 11,614,305.54
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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.