Finding the Fourth Proportional to 12,467,865.43, 17,205,486.11 and 6,961,325.05
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Solution
The fourth proportional to 12,467,865.43, 17,205,486.11 and 6,961,325.05 is: 9,606,534.66
Step by Step Solution
- Step 1: Write the proportion equation
12,467,865.43 : 17,205,486.11 = 6,961,325.05 : x - Step 2: Convert to fraction form
12,467,865.43/17,205,486.11 = 6,961,325.05/x - Step 3: Cross multiply
12,467,865.43x = 17,205,486.11 × 6,961,325.05 - Step 4: Simplify right side
12,467,865.43x = 119,772,981,420,163.44 - Step 5: Solve for x
x = 119,772,981,420,163.44/12,467,865.43 - Step 6: Final answer
x = 9,606,534.66
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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.