Finding the Fourth Proportional to 14,339,578.17, 21,515,724.24 and 7,514,528.67
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Solution
The fourth proportional to 14,339,578.17, 21,515,724.24 and 7,514,528.67 is: 11,275,124.32
Step by Step Solution
- Step 1: Write the proportion equation
14,339,578.17 : 21,515,724.24 = 7,514,528.67 : x - Step 2: Convert to fraction form
14,339,578.17/21,515,724.24 = 7,514,528.67/x - Step 3: Cross multiply
14,339,578.17x = 21,515,724.24 × 7,514,528.67 - Step 4: Simplify right side
14,339,578.17x = 161,680,526,604,789.47 - Step 5: Solve for x
x = 161,680,526,604,789.47/14,339,578.17 - Step 6: Final answer
x = 11,275,124.32
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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.