Finding the Fourth Proportional to 8,237,618.75, 11,365,613.00 and 6,489,863.19
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Solution
The fourth proportional to 8,237,618.75, 11,365,613.00 and 6,489,863.19 is: 8,954,198.49
Step by Step Solution
- Step 1: Write the proportion equation
8,237,618.75 : 11,365,613.00 = 6,489,863.19 : x - Step 2: Convert to fraction form
8,237,618.75/11,365,613.00 = 6,489,863.19/x - Step 3: Cross multiply
8,237,618.75x = 11,365,613.00 × 6,489,863.19 - Step 4: Simplify right side
8,237,618.75x = 73,761,273,414,089.08 - Step 5: Solve for x
x = 73,761,273,414,089.08/8,237,618.75 - Step 6: Final answer
x = 8,954,198.49
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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.