Finding the Fourth Proportional to 11,699,760.36, 17,555,759.68 and 4,788,370.28
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Solution
The fourth proportional to 11,699,760.36, 17,555,759.68 and 4,788,370.28 is: 7,185,059.81
Step by Step Solution
- Step 1: Write the proportion equation
11,699,760.36 : 17,555,759.68 = 4,788,370.28 : x - Step 2: Convert to fraction form
11,699,760.36/17,555,759.68 = 4,788,370.28/x - Step 3: Cross multiply
11,699,760.36x = 17,555,759.68 × 4,788,370.28 - Step 4: Simplify right side
11,699,760.36x = 84,063,477,894,534.31 - Step 5: Solve for x
x = 84,063,477,894,534.31/11,699,760.36 - Step 6: Final answer
x = 7,185,059.81
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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.