Finding the Fourth Proportional to 11,519,524.20, 15,896,639.86 and 6,362,775.03
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Solution
The fourth proportional to 11,519,524.20, 15,896,639.86 and 6,362,775.03 is: 8,780,461.88
Step by Step Solution
- Step 1: Write the proportion equation
11,519,524.20 : 15,896,639.86 = 6,362,775.03 : x - Step 2: Convert to fraction form
11,519,524.20/15,896,639.86 = 6,362,775.03/x - Step 3: Cross multiply
11,519,524.20x = 15,896,639.86 × 6,362,775.03 - Step 4: Simplify right side
11,519,524.20x = 101,146,743,162,110.70 - Step 5: Solve for x
x = 101,146,743,162,110.70/11,519,524.20 - Step 6: Final answer
x = 8,780,461.88
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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.