Finding the Fourth Proportional to 8,744,561.80, 13,116,842.70 and 4,493,033.80
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Solution
The fourth proportional to 8,744,561.80, 13,116,842.70 and 4,493,033.80 is: 6,739,550.70
Step by Step Solution
- Step 1: Write the proportion equation
8,744,561.80 : 13,116,842.70 = 4,493,033.80 : x - Step 2: Convert to fraction form
8,744,561.80/13,116,842.70 = 4,493,033.80/x - Step 3: Cross multiply
8,744,561.80x = 13,116,842.70 × 4,493,033.80 - Step 4: Simplify right side
8,744,561.80x = 58,934,417,600,383.26 - Step 5: Solve for x
x = 58,934,417,600,383.26/8,744,561.80 - Step 6: Final answer
x = 6,739,550.70
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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.