Finding the Fourth Proportional to 13,182,939.09, 19,758,440.48 and 5,593,961.97
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Solution
The fourth proportional to 13,182,939.09, 19,758,440.48 and 5,593,961.97 is: 8,384,167.13
Step by Step Solution
- Step 1: Write the proportion equation
13,182,939.09 : 19,758,440.48 = 5,593,961.97 : x - Step 2: Convert to fraction form
13,182,939.09/19,758,440.48 = 5,593,961.97/x - Step 3: Cross multiply
13,182,939.09x = 19,758,440.48 × 5,593,961.97 - Step 4: Simplify right side
13,182,939.09x = 110,527,964,603,658.73 - Step 5: Solve for x
x = 110,527,964,603,658.73/13,182,939.09 - Step 6: Final answer
x = 8,384,167.13
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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.