Finding the Fourth Proportional to 22,234,942.80, 33,302,647.80 and 18,253,630.80
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Solution
The fourth proportional to 22,234,942.80, 33,302,647.80 and 18,253,630.80 is: 27,339,590.80
Step by Step Solution
- Step 1: Write the proportion equation
22,234,942.80 : 33,302,647.80 = 18,253,630.80 : x - Step 2: Convert to fraction form
22,234,942.80/33,302,647.80 = 18,253,630.80/x - Step 3: Cross multiply
22,234,942.80x = 33,302,647.80 × 18,253,630.80 - Step 4: Simplify right side
22,234,942.80x = 607,894,237,603,632.25 - Step 5: Solve for x
x = 607,894,237,603,632.25/22,234,942.80 - Step 6: Final answer
x = 27,339,590.80
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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.