Finding the Fourth Proportional to 11,509,528.77, 15,882,019.29 and 6,352,558.17
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Solution
The fourth proportional to 11,509,528.77, 15,882,019.29 and 6,352,558.17 is: 8,765,906.35
Step by Step Solution
- Step 1: Write the proportion equation
11,509,528.77 : 15,882,019.29 = 6,352,558.17 : x - Step 2: Convert to fraction form
11,509,528.77/15,882,019.29 = 6,352,558.17/x - Step 3: Cross multiply
11,509,528.77x = 15,882,019.29 × 6,352,558.17 - Step 4: Simplify right side
11,509,528.77x = 100,891,451,364,020.02 - Step 5: Solve for x
x = 100,891,451,364,020.02/11,509,528.77 - Step 6: Final answer
x = 8,765,906.35
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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.