Finding the Fourth Proportional to 27,128,816.94, 37,428,508.26 and 16,811,775.66
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Solution
The fourth proportional to 27,128,816.94, 37,428,508.26 and 16,811,775.66 is: 23,194,512.52
Step by Step Solution
- Step 1: Write the proportion equation
27,128,816.94 : 37,428,508.26 = 16,811,775.66 : x - Step 2: Convert to fraction form
27,128,816.94/37,428,508.26 = 16,811,775.66/x - Step 3: Cross multiply
27,128,816.94x = 37,428,508.26 × 16,811,775.66 - Step 4: Simplify right side
27,128,816.94x = 629,239,684,155,576.88 - Step 5: Solve for x
x = 629,239,684,155,576.88/27,128,816.94 - Step 6: Final answer
x = 23,194,512.52
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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.