Finding the Fourth Proportional to 17,751,220.40, 26,611,278.60 and 12,052,967.60
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Solution
The fourth proportional to 17,751,220.40, 26,611,278.60 and 12,052,967.60 is: 18,068,891.69
Step by Step Solution
- Step 1: Write the proportion equation
17,751,220.40 : 26,611,278.60 = 12,052,967.60 : x - Step 2: Convert to fraction form
17,751,220.40/26,611,278.60 = 12,052,967.60/x - Step 3: Cross multiply
17,751,220.40x = 26,611,278.60 × 12,052,967.60 - Step 4: Simplify right side
17,751,220.40x = 320,744,878,760,373.38 - Step 5: Solve for x
x = 320,744,878,760,373.38/17,751,220.40 - Step 6: Final answer
x = 18,068,891.69
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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.