Finding the Fourth Proportional to 11,611,491.60, 17,415,163.80 and 7,344,022.80
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Solution
The fourth proportional to 11,611,491.60, 17,415,163.80 and 7,344,022.80 is: 11,014,722.69
Step by Step Solution
- Step 1: Write the proportion equation
11,611,491.60 : 17,415,163.80 = 7,344,022.80 : x - Step 2: Convert to fraction form
11,611,491.60/17,415,163.80 = 7,344,022.80/x - Step 3: Cross multiply
11,611,491.60x = 17,415,163.80 × 7,344,022.80 - Step 4: Simplify right side
11,611,491.60x = 127,897,360,012,934.64 - Step 5: Solve for x
x = 127,897,360,012,934.64/11,611,491.60 - Step 6: Final answer
x = 11,014,722.69
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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.