Finding the Fourth Proportional to 8,216,028.05, 12,325,163.51 and 3,422,596.07
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Solution
The fourth proportional to 8,216,028.05, 12,325,163.51 and 3,422,596.07 is: 5,134,361.28
Step by Step Solution
- Step 1: Write the proportion equation
8,216,028.05 : 12,325,163.51 = 3,422,596.07 : x - Step 2: Convert to fraction form
8,216,028.05/12,325,163.51 = 3,422,596.07/x - Step 3: Cross multiply
8,216,028.05x = 12,325,163.51 × 3,422,596.07 - Step 4: Simplify right side
8,216,028.05x = 42,184,056,230,802.80 - Step 5: Solve for x
x = 42,184,056,230,802.80/8,216,028.05 - Step 6: Final answer
x = 5,134,361.28
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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.