Finding the Fourth Proportional to 21,675,266.64, 32,532,391.80 and 11,586,511.44
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Solution
The fourth proportional to 21,675,266.64, 32,532,391.80 and 11,586,511.44 is: 17,390,186.52
Step by Step Solution
- Step 1: Write the proportion equation
21,675,266.64 : 32,532,391.80 = 11,586,511.44 : x - Step 2: Convert to fraction form
21,675,266.64/32,532,391.80 = 11,586,511.44/x - Step 3: Cross multiply
21,675,266.64x = 32,532,391.80 × 11,586,511.44 - Step 4: Simplify right side
21,675,266.64x = 376,936,929,761,262.19 - Step 5: Solve for x
x = 376,936,929,761,262.19/21,675,266.64 - Step 6: Final answer
x = 17,390,186.52
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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.