Finding the Fourth Proportional to 7,351,474.45, 11,027,211.68 and 7,020,800.05
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Solution
The fourth proportional to 7,351,474.45, 11,027,211.68 and 7,020,800.05 is: 10,531,200.08
Step by Step Solution
- Step 1: Write the proportion equation
7,351,474.45 : 11,027,211.68 = 7,020,800.05 : x - Step 2: Convert to fraction form
7,351,474.45/11,027,211.68 = 7,020,800.05/x - Step 3: Cross multiply
7,351,474.45x = 11,027,211.68 × 7,020,800.05 - Step 4: Simplify right side
7,351,474.45x = 77,419,848,279,200.59 - Step 5: Solve for x
x = 77,419,848,279,200.59/7,351,474.45 - Step 6: Final answer
x = 10,531,200.08
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1.5x scale
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.