Finding the Fourth Proportional to 11,626,718.22, 16,028,238.96 and 8,178,256.62
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Solution
The fourth proportional to 11,626,718.22, 16,028,238.96 and 8,178,256.62 is: 11,274,295.02
Step by Step Solution
- Step 1: Write the proportion equation
11,626,718.22 : 16,028,238.96 = 8,178,256.62 : x - Step 2: Convert to fraction form
11,626,718.22/16,028,238.96 = 8,178,256.62/x - Step 3: Cross multiply
11,626,718.22x = 16,028,238.96 × 8,178,256.62 - Step 4: Simplify right side
11,626,718.22x = 131,083,051,381,561.92 - Step 5: Solve for x
x = 131,083,051,381,561.92/11,626,718.22 - Step 6: Final answer
x = 11,274,295.02
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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.