Finding the Fourth Proportional to 22,170,920.12, 33,252,757.05 and 7,790,622.38
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Solution
The fourth proportional to 22,170,920.12, 33,252,757.05 and 7,790,622.38 is: 11,684,660.44
Step by Step Solution
- Step 1: Write the proportion equation
22,170,920.12 : 33,252,757.05 = 7,790,622.38 : x - Step 2: Convert to fraction form
22,170,920.12/33,252,757.05 = 7,790,622.38/x - Step 3: Cross multiply
22,170,920.12x = 33,252,757.05 × 7,790,622.38 - Step 4: Simplify right side
22,170,920.12x = 259,059,673,270,432.78 - Step 5: Solve for x
x = 259,059,673,270,432.78/22,170,920.12 - Step 6: Final answer
x = 11,684,660.44
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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.