Finding the Fourth Proportional to 21,477,664.98, 32,219,523.84 and 6,899,696.26
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Solution
The fourth proportional to 21,477,664.98, 32,219,523.84 and 6,899,696.26 is: 10,350,516.60
Step by Step Solution
- Step 1: Write the proportion equation
21,477,664.98 : 32,219,523.84 = 6,899,696.26 : x - Step 2: Convert to fraction form
21,477,664.98/32,219,523.84 = 6,899,696.26/x - Step 3: Cross multiply
21,477,664.98x = 32,219,523.84 × 6,899,696.26 - Step 4: Simplify right side
21,477,664.98x = 222,304,927,942,232.75 - Step 5: Solve for x
x = 222,304,927,942,232.75/21,477,664.98 - Step 6: Final answer
x = 10,350,516.60
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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.