Finding the Fourth Proportional to 19,126,469.52, 26,394,537.84 and 10,866,546.24
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Solution
The fourth proportional to 19,126,469.52, 26,394,537.84 and 10,866,546.24 is: 14,995,839.44
Step by Step Solution
- Step 1: Write the proportion equation
19,126,469.52 : 26,394,537.84 = 10,866,546.24 : x - Step 2: Convert to fraction form
19,126,469.52/26,394,537.84 = 10,866,546.24/x - Step 3: Cross multiply
19,126,469.52x = 26,394,537.84 × 10,866,546.24 - Step 4: Simplify right side
19,126,469.52x = 286,817,465,921,789.75 - Step 5: Solve for x
x = 286,817,465,921,789.75/19,126,469.52 - Step 6: Final answer
x = 14,995,839.44
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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.