Finding the Fourth Proportional to 6,372,543.63, 8,794,211.16 and 3,471,933.73
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Solution
The fourth proportional to 6,372,543.63, 8,794,211.16 and 3,471,933.73 is: 4,791,323.55
Step by Step Solution
- Step 1: Write the proportion equation
6,372,543.63 : 8,794,211.16 = 3,471,933.73 : x - Step 2: Convert to fraction form
6,372,543.63/8,794,211.16 = 3,471,933.73/x - Step 3: Cross multiply
6,372,543.63x = 8,794,211.16 × 3,471,933.73 - Step 4: Simplify right side
6,372,543.63x = 30,532,918,343,140.17 - Step 5: Solve for x
x = 30,532,918,343,140.17/6,372,543.63 - Step 6: Final answer
x = 4,791,323.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.