Finding the Fourth Proportional to 11,236,751.61, 15,504,020.50 and 6,826,389.09
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Solution
The fourth proportional to 11,236,751.61, 15,504,020.50 and 6,826,389.09 is: 9,418,778.67
Step by Step Solution
- Step 1: Write the proportion equation
11,236,751.61 : 15,504,020.50 = 6,826,389.09 : x - Step 2: Convert to fraction form
11,236,751.61/15,504,020.50 = 6,826,389.09/x - Step 3: Cross multiply
11,236,751.61x = 15,504,020.50 × 6,826,389.09 - Step 4: Simplify right side
11,236,751.61x = 105,836,476,392,336.34 - Step 5: Solve for x
x = 105,836,476,392,336.34/11,236,751.61 - Step 6: Final answer
x = 9,418,778.67
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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.