Finding the Fourth Proportional to 11,611,516.36, 17,415,237.88 and 4,423,481.59
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Solution
The fourth proportional to 11,611,516.36, 17,415,237.88 and 4,423,481.59 is: 6,634,446.51
Step by Step Solution
- Step 1: Write the proportion equation
11,611,516.36 : 17,415,237.88 = 4,423,481.59 : x - Step 2: Convert to fraction form
11,611,516.36/17,415,237.88 = 4,423,481.59/x - Step 3: Cross multiply
11,611,516.36x = 17,415,237.88 × 4,423,481.59 - Step 4: Simplify right side
11,611,516.36x = 77,035,984,147,650.62 - Step 5: Solve for x
x = 77,035,984,147,650.62/11,611,516.36 - Step 6: Final answer
x = 6,634,446.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.