Finding the Fourth Proportional to 11,728,883.88, 16,176,263.49 and 8,255,720.12
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Solution
The fourth proportional to 11,728,883.88, 16,176,263.49 and 8,255,720.12 is: 11,386,139.15
Step by Step Solution
- Step 1: Write the proportion equation
11,728,883.88 : 16,176,263.49 = 8,255,720.12 : x - Step 2: Convert to fraction form
11,728,883.88/16,176,263.49 = 8,255,720.12/x - Step 3: Cross multiply
11,728,883.88x = 16,176,263.49 × 8,255,720.12 - Step 4: Simplify right side
11,728,883.88x = 133,546,703,879,933.11 - Step 5: Solve for x
x = 133,546,703,879,933.11/11,728,883.88 - Step 6: Final answer
x = 11,386,139.15
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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.