Finding the Fourth Proportional to 7,741,758.15, 11,614,033.47 and 3,190,273.53
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Solution
The fourth proportional to 7,741,758.15, 11,614,033.47 and 3,190,273.53 is: 4,785,985.67
Step by Step Solution
- Step 1: Write the proportion equation
7,741,758.15 : 11,614,033.47 = 3,190,273.53 : x - Step 2: Convert to fraction form
7,741,758.15/11,614,033.47 = 3,190,273.53/x - Step 3: Cross multiply
7,741,758.15x = 11,614,033.47 × 3,190,273.53 - Step 4: Simplify right side
7,741,758.15x = 37,051,943,555,875.05 - Step 5: Solve for x
x = 37,051,943,555,875.05/7,741,758.15 - Step 6: Final answer
x = 4,785,985.67
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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.