Finding the Fourth Proportional to 22,179,315.80, 33,219,207.30 and 18,198,003.80
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Solution
The fourth proportional to 22,179,315.80, 33,219,207.30 and 18,198,003.80 is: 27,256,172.65
Step by Step Solution
- Step 1: Write the proportion equation
22,179,315.80 : 33,219,207.30 = 18,198,003.80 : x - Step 2: Convert to fraction form
22,179,315.80/33,219,207.30 = 18,198,003.80/x - Step 3: Cross multiply
22,179,315.80x = 33,219,207.30 × 18,198,003.80 - Step 4: Simplify right side
22,179,315.80x = 604,523,260,678,387.75 - Step 5: Solve for x
x = 604,523,260,678,387.75/22,179,315.80 - Step 6: Final answer
x = 27,256,172.65
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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.