Finding the Fourth Proportional to 7,412,910.85, 11,126,538.98 and 3,577,433.29
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Solution
The fourth proportional to 7,412,910.85, 11,126,538.98 and 3,577,433.29 is: 5,369,611.45
Step by Step Solution
- Step 1: Write the proportion equation
7,412,910.85 : 11,126,538.98 = 3,577,433.29 : x - Step 2: Convert to fraction form
7,412,910.85/11,126,538.98 = 3,577,433.29/x - Step 3: Cross multiply
7,412,910.85x = 11,126,538.98 × 3,577,433.29 - Step 4: Simplify right side
7,412,910.85x = 39,804,450,949,534.65 - Step 5: Solve for x
x = 39,804,450,949,534.65/7,412,910.85 - Step 6: Final answer
x = 5,369,611.45
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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.