Finding the Fourth Proportional to 20,048,817.02, 27,662,625.58 and 11,346,989.60
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Solution
The fourth proportional to 20,048,817.02, 27,662,625.58 and 11,346,989.60 is: 15,656,161.88
Step by Step Solution
- Step 1: Write the proportion equation
20,048,817.02 : 27,662,625.58 = 11,346,989.60 : x - Step 2: Convert to fraction form
20,048,817.02/27,662,625.58 = 11,346,989.60/x - Step 3: Cross multiply
20,048,817.02x = 27,662,625.58 × 11,346,989.60 - Step 4: Simplify right side
20,048,817.02x = 313,887,524,598,273.38 - Step 5: Solve for x
x = 313,887,524,598,273.38/20,048,817.02 - Step 6: Final answer
x = 15,656,161.88
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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.