Finding the Fourth Proportional to 12,067,759.95, 18,102,514.73 and 7,265,107.95
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Solution
The fourth proportional to 12,067,759.95, 18,102,514.73 and 7,265,107.95 is: 10,898,188.58
Step by Step Solution
- Step 1: Write the proportion equation
12,067,759.95 : 18,102,514.73 = 7,265,107.95 : x - Step 2: Convert to fraction form
12,067,759.95/18,102,514.73 = 7,265,107.95/x - Step 3: Cross multiply
12,067,759.95x = 18,102,514.73 × 7,265,107.95 - Step 4: Simplify right side
12,067,759.95x = 131,516,723,643,589.58 - Step 5: Solve for x
x = 131,516,723,643,589.58/12,067,759.95 - Step 6: Final answer
x = 10,898,188.58
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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.