Finding the Fourth Proportional to 21,802,525.65, 32,703,912.15 and 5,627,371.08
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Solution
The fourth proportional to 21,802,525.65, 32,703,912.15 and 5,627,371.08 is: 8,441,088.54
Step by Step Solution
- Step 1: Write the proportion equation
21,802,525.65 : 32,703,912.15 = 5,627,371.08 : x - Step 2: Convert to fraction form
21,802,525.65/32,703,912.15 = 5,627,371.08/x - Step 3: Cross multiply
21,802,525.65x = 32,703,912.15 × 5,627,371.08 - Step 4: Simplify right side
21,802,525.65x = 184,037,049,435,770.62 - Step 5: Solve for x
x = 184,037,049,435,770.62/21,802,525.65 - Step 6: Final answer
x = 8,441,088.54
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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.