Finding the Fourth Proportional to 7,555,412.58, 11,336,457.69 and 3,960,319.92
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Solution
The fourth proportional to 7,555,412.58, 11,336,457.69 and 3,960,319.92 is: 5,942,229.99
Step by Step Solution
- Step 1: Write the proportion equation
7,555,412.58 : 11,336,457.69 = 3,960,319.92 : x - Step 2: Convert to fraction form
7,555,412.58/11,336,457.69 = 3,960,319.92/x - Step 3: Cross multiply
7,555,412.58x = 11,336,457.69 × 3,960,319.92 - Step 4: Simplify right side
7,555,412.58x = 44,895,999,211,944.18 - Step 5: Solve for x
x = 44,895,999,211,944.18/7,555,412.58 - Step 6: Final answer
x = 5,942,229.99
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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.