Finding the Fourth Proportional to 14,286,452.55, 19,716,940.05 and 8,008,675.44
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Solution
The fourth proportional to 14,286,452.55, 19,716,940.05 and 8,008,675.44 is: 11,052,888.94
Step by Step Solution
- Step 1: Write the proportion equation
14,286,452.55 : 19,716,940.05 = 8,008,675.44 : x - Step 2: Convert to fraction form
14,286,452.55/19,716,940.05 = 8,008,675.44/x - Step 3: Cross multiply
14,286,452.55x = 19,716,940.05 × 8,008,675.44 - Step 4: Simplify right side
14,286,452.55x = 157,906,573,391,759.31 - Step 5: Solve for x
x = 157,906,573,391,759.31/14,286,452.55 - Step 6: Final answer
x = 11,052,888.94
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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.