Finding the Fourth Proportional to 11,888,618.22, 16,411,315.11 and 8,026,370.70
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Solution
The fourth proportional to 11,888,618.22, 16,411,315.11 and 8,026,370.70 is: 11,079,782.05
Step by Step Solution
- Step 1: Write the proportion equation
11,888,618.22 : 16,411,315.11 = 8,026,370.70 : x - Step 2: Convert to fraction form
11,888,618.22/16,411,315.11 = 8,026,370.70/x - Step 3: Cross multiply
11,888,618.22x = 16,411,315.11 × 8,026,370.70 - Step 4: Simplify right side
11,888,618.22x = 131,723,298,747,371.28 - Step 5: Solve for x
x = 131,723,298,747,371.28/11,888,618.22 - Step 6: Final answer
x = 11,079,782.05
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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.