Finding the Fourth Proportional to 16,008,163.26, 22,091,260.62 and 8,665,990.95
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Solution
The fourth proportional to 16,008,163.26, 22,091,260.62 and 8,665,990.95 is: 11,959,064.98
Step by Step Solution
- Step 1: Write the proportion equation
16,008,163.26 : 22,091,260.62 = 8,665,990.95 : x - Step 2: Convert to fraction form
16,008,163.26/22,091,260.62 = 8,665,990.95/x - Step 3: Cross multiply
16,008,163.26x = 22,091,260.62 × 8,665,990.95 - Step 4: Simplify right side
16,008,163.26x = 191,442,664,607,011.38 - Step 5: Solve for x
x = 191,442,664,607,011.38/16,008,163.26 - Step 6: Final answer
x = 11,959,064.98
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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.