Finding the Fourth Proportional to 11,328,972.48, 15,634,161.48 and 6,172,332.66
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Solution
The fourth proportional to 11,328,972.48, 15,634,161.48 and 6,172,332.66 is: 8,517,916.84
Step by Step Solution
- Step 1: Write the proportion equation
11,328,972.48 : 15,634,161.48 = 6,172,332.66 : x - Step 2: Convert to fraction form
11,328,972.48/15,634,161.48 = 6,172,332.66/x - Step 3: Cross multiply
11,328,972.48x = 15,634,161.48 × 6,172,332.66 - Step 4: Simplify right side
11,328,972.48x = 96,499,245,514,717.94 - Step 5: Solve for x
x = 96,499,245,514,717.94/11,328,972.48 - Step 6: Final answer
x = 8,517,916.84
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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.