Finding the Fourth Proportional to 18,107,695.40, 27,161,550.45 and 4,461,107.50
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Solution
The fourth proportional to 18,107,695.40, 27,161,550.45 and 4,461,107.50 is: 6,691,663.06
Step by Step Solution
- Step 1: Write the proportion equation
18,107,695.40 : 27,161,550.45 = 4,461,107.50 : x - Step 2: Convert to fraction form
18,107,695.40/27,161,550.45 = 4,461,107.50/x - Step 3: Cross multiply
18,107,695.40x = 27,161,550.45 × 4,461,107.50 - Step 4: Simplify right side
18,107,695.40x = 121,170,596,458,075.30 - Step 5: Solve for x
x = 121,170,596,458,075.30/18,107,695.40 - Step 6: Final answer
x = 6,691,663.06
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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.