Finding the Fourth Proportional to 13,561,458.08, 18,715,149.68 and 7,366,502.84
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Solution
The fourth proportional to 13,561,458.08, 18,715,149.68 and 7,366,502.84 is: 10,165,957.26
Step by Step Solution
- Step 1: Write the proportion equation
13,561,458.08 : 18,715,149.68 = 7,366,502.84 : x - Step 2: Convert to fraction form
13,561,458.08/18,715,149.68 = 7,366,502.84/x - Step 3: Cross multiply
13,561,458.08x = 18,715,149.68 × 7,366,502.84 - Step 4: Simplify right side
13,561,458.08x = 137,865,203,268,745.09 - Step 5: Solve for x
x = 137,865,203,268,745.09/13,561,458.08 - Step 6: Final answer
x = 10,165,957.26
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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.