Finding the Fourth Proportional to 20,235,086.76, 30,354,211.26 and 5,858,368.68
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Solution
The fourth proportional to 20,235,086.76, 30,354,211.26 and 5,858,368.68 is: 8,788,010.78
Step by Step Solution
- Step 1: Write the proportion equation
20,235,086.76 : 30,354,211.26 = 5,858,368.68 : x - Step 2: Convert to fraction form
20,235,086.76/30,354,211.26 = 5,858,368.68/x - Step 3: Cross multiply
20,235,086.76x = 30,354,211.26 × 5,858,368.68 - Step 4: Simplify right side
20,235,086.76x = 177,826,160,551,687.34 - Step 5: Solve for x
x = 177,826,160,551,687.34/20,235,086.76 - Step 6: Final answer
x = 8,788,010.78
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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.