Finding the Fourth Proportional to 13,441,198.77, 18,548,546.36 and 8,214,186.42
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Solution
The fourth proportional to 13,441,198.77, 18,548,546.36 and 8,214,186.42 is: 11,335,389.07
Step by Step Solution
- Step 1: Write the proportion equation
13,441,198.77 : 18,548,546.36 = 8,214,186.42 : x - Step 2: Convert to fraction form
13,441,198.77/18,548,546.36 = 8,214,186.42/x - Step 3: Cross multiply
13,441,198.77x = 18,548,546.36 × 8,214,186.42 - Step 4: Simplify right side
13,441,198.77x = 152,361,217,579,981.50 - Step 5: Solve for x
x = 152,361,217,579,981.50/13,441,198.77 - Step 6: Final answer
x = 11,335,389.07
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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.