Finding the Fourth Proportional to 7,487,324.21, 11,232,227.93 and 2,628,370.62
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Solution
The fourth proportional to 7,487,324.21, 11,232,227.93 and 2,628,370.62 is: 3,942,991.79
Step by Step Solution
- Step 1: Write the proportion equation
7,487,324.21 : 11,232,227.93 = 2,628,370.62 : x - Step 2: Convert to fraction form
7,487,324.21/11,232,227.93 = 2,628,370.62/x - Step 3: Cross multiply
7,487,324.21x = 11,232,227.93 × 2,628,370.62 - Step 4: Simplify right side
7,487,324.21x = 29,522,457,875,213.57 - Step 5: Solve for x
x = 29,522,457,875,213.57/7,487,324.21 - Step 6: Final answer
x = 3,942,991.79
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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.