Finding the Fourth Proportional to 9,953,425.19, 13,734,092.09 and 5,765,620.91
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Solution
The fourth proportional to 9,953,425.19, 13,734,092.09 and 5,765,620.91 is: 7,955,609.95
Step by Step Solution
- Step 1: Write the proportion equation
9,953,425.19 : 13,734,092.09 = 5,765,620.91 : x - Step 2: Convert to fraction form
9,953,425.19/13,734,092.09 = 5,765,620.91/x - Step 3: Cross multiply
9,953,425.19x = 13,734,092.09 × 5,765,620.91 - Step 4: Simplify right side
9,953,425.19x = 79,185,568,479,713.19 - Step 5: Solve for x
x = 79,185,568,479,713.19/9,953,425.19 - Step 6: Final answer
x = 7,955,609.95
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1.5x scale
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.