Finding the Fourth Proportional to 16,414,912.94, 22,652,668.91 and 8,972,584.95
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Solution
The fourth proportional to 16,414,912.94, 22,652,668.91 and 8,972,584.95 is: 12,382,215.91
Step by Step Solution
- Step 1: Write the proportion equation
16,414,912.94 : 22,652,668.91 = 8,972,584.95 : x - Step 2: Convert to fraction form
16,414,912.94/22,652,668.91 = 8,972,584.95/x - Step 3: Cross multiply
16,414,912.94x = 22,652,668.91 × 8,972,584.95 - Step 4: Simplify right side
16,414,912.94x = 203,252,996,094,335.97 - Step 5: Solve for x
x = 203,252,996,094,335.97/16,414,912.94 - Step 6: Final answer
x = 12,382,215.91
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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.