Finding the Fourth Proportional to 11,895,643.76, 16,415,453.40 and 6,738,900.08
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Solution
The fourth proportional to 11,895,643.76, 16,415,453.40 and 6,738,900.08 is: 9,299,379.04
Step by Step Solution
- Step 1: Write the proportion equation
11,895,643.76 : 16,415,453.40 = 6,738,900.08 : x - Step 2: Convert to fraction form
11,895,643.76/16,415,453.40 = 6,738,900.08/x - Step 3: Cross multiply
11,895,643.76x = 16,415,453.40 × 6,738,900.08 - Step 4: Simplify right side
11,895,643.76x = 110,622,100,230,496.28 - Step 5: Solve for x
x = 110,622,100,230,496.28/11,895,643.76 - Step 6: Final answer
x = 9,299,379.04
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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.