Finding the Fourth Proportional to 9,566,449.92, 13,201,311.96 and 5,215,450.68
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Solution
The fourth proportional to 9,566,449.92, 13,201,311.96 and 5,215,450.68 is: 7,197,109.90
Step by Step Solution
- Step 1: Write the proportion equation
9,566,449.92 : 13,201,311.96 = 5,215,450.68 : x - Step 2: Convert to fraction form
9,566,449.92/13,201,311.96 = 5,215,450.68/x - Step 3: Cross multiply
9,566,449.92x = 13,201,311.96 × 5,215,450.68 - Step 4: Simplify right side
9,566,449.92x = 68,850,791,438,674.13 - Step 5: Solve for x
x = 68,850,791,438,674.13/9,566,449.92 - Step 6: Final answer
x = 7,197,109.90
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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.