Finding the Fourth Proportional to 11,422,221.96, 17,127,821.76 and 6,631,117.32
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Solution
The fourth proportional to 11,422,221.96, 17,127,821.76 and 6,631,117.32 is: 9,943,476.49
Step by Step Solution
- Step 1: Write the proportion equation
11,422,221.96 : 17,127,821.76 = 6,631,117.32 : x - Step 2: Convert to fraction form
11,422,221.96/17,127,821.76 = 6,631,117.32/x - Step 3: Cross multiply
11,422,221.96x = 17,127,821.76 × 6,631,117.32 - Step 4: Simplify right side
11,422,221.96x = 113,576,595,526,608.91 - Step 5: Solve for x
x = 113,576,595,526,608.91/11,422,221.96 - Step 6: Final answer
x = 9,943,476.49
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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.