Finding the Fourth Proportional to 38,811,122.44, 53,558,410.57 and 21,407,093.98
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Solution
The fourth proportional to 38,811,122.44, 53,558,410.57 and 21,407,093.98 is: 29,541,272.10
Step by Step Solution
- Step 1: Write the proportion equation
38,811,122.44 : 53,558,410.57 = 21,407,093.98 : x - Step 2: Convert to fraction form
38,811,122.44/53,558,410.57 = 21,407,093.98/x - Step 3: Cross multiply
38,811,122.44x = 53,558,410.57 × 21,407,093.98 - Step 4: Simplify right side
38,811,122.44x = 1,146,529,928,491,415.50 - Step 5: Solve for x
x = 1,146,529,928,491,415.50/38,811,122.44 - Step 6: Final answer
x = 29,541,272.10
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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.