Finding the Fourth Proportional to 12,035,906.69, 16,609,551.23 and 6,879,378.95
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Solution
The fourth proportional to 12,035,906.69, 16,609,551.23 and 6,879,378.95 is: 9,493,542.94
Step by Step Solution
- Step 1: Write the proportion equation
12,035,906.69 : 16,609,551.23 = 6,879,378.95 : x - Step 2: Convert to fraction form
12,035,906.69/16,609,551.23 = 6,879,378.95/x - Step 3: Cross multiply
12,035,906.69x = 16,609,551.23 × 6,879,378.95 - Step 4: Simplify right side
12,035,906.69x = 114,263,396,983,163.95 - Step 5: Solve for x
x = 114,263,396,983,163.95/12,035,906.69 - Step 6: Final answer
x = 9,493,542.94
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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.