Finding the Fourth Proportional to 9,881,684.20, 13,633,615.62 and 5,530,079.08
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Solution
The fourth proportional to 9,881,684.20, 13,633,615.62 and 5,530,079.08 is: 7,629,769.48
Step by Step Solution
- Step 1: Write the proportion equation
9,881,684.20 : 13,633,615.62 = 5,530,079.08 : x - Step 2: Convert to fraction form
9,881,684.20/13,633,615.62 = 5,530,079.08/x - Step 3: Cross multiply
9,881,684.20x = 13,633,615.62 × 5,530,079.08 - Step 4: Simplify right side
9,881,684.20x = 75,394,972,524,923.22 - Step 5: Solve for x
x = 75,394,972,524,923.22/9,881,684.20 - Step 6: Final answer
x = 7,629,769.48
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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.