Finding the Fourth Proportional to 11,685,626.92, 16,117,801.73 and 8,201,743.09
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Solution
The fourth proportional to 11,685,626.92, 16,117,801.73 and 8,201,743.09 is: 11,312,535.47
Step by Step Solution
- Step 1: Write the proportion equation
11,685,626.92 : 16,117,801.73 = 8,201,743.09 : x - Step 2: Convert to fraction form
11,685,626.92/16,117,801.73 = 8,201,743.09/x - Step 3: Cross multiply
11,685,626.92x = 16,117,801.73 × 8,201,743.09 - Step 4: Simplify right side
11,685,626.92x = 132,194,068,965,017.55 - Step 5: Solve for x
x = 132,194,068,965,017.55/11,685,626.92 - Step 6: Final answer
x = 11,312,535.47
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1.5x scale
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.