Finding the Fourth Proportional to 11,453,302.82, 15,805,416.17 and 6,296,619.26
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Solution
The fourth proportional to 11,453,302.82, 15,805,416.17 and 6,296,619.26 is: 8,689,256.66
Step by Step Solution
- Step 1: Write the proportion equation
11,453,302.82 : 15,805,416.17 = 6,296,619.26 : x - Step 2: Convert to fraction form
11,453,302.82/15,805,416.17 = 6,296,619.26/x - Step 3: Cross multiply
11,453,302.82x = 15,805,416.17 × 6,296,619.26 - Step 4: Simplify right side
11,453,302.82x = 99,520,687,816,980.95 - Step 5: Solve for x
x = 99,520,687,816,980.95/11,453,302.82 - Step 6: Final answer
x = 8,689,256.66
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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.