Finding the Fourth Proportional to 11,006,262.24, 16,435,279.34 and 8,988,511.74
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Solution
The fourth proportional to 11,006,262.24, 16,435,279.34 and 8,988,511.74 is: 13,422,240.73
Step by Step Solution
- Step 1: Write the proportion equation
11,006,262.24 : 16,435,279.34 = 8,988,511.74 : x - Step 2: Convert to fraction form
11,006,262.24/16,435,279.34 = 8,988,511.74/x - Step 3: Cross multiply
11,006,262.24x = 16,435,279.34 × 8,988,511.74 - Step 4: Simplify right side
11,006,262.24x = 147,728,701,297,769.47 - Step 5: Solve for x
x = 147,728,701,297,769.47/11,006,262.24 - Step 6: Final answer
x = 13,422,240.73
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.