Finding the Fourth Proportional to 48,515,824.58, 66,957,709.48 and 27,612,939.74
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Solution
The fourth proportional to 48,515,824.58, 66,957,709.48 and 27,612,939.74 is: 38,109,198.66
Step by Step Solution
- Step 1: Write the proportion equation
48,515,824.58 : 66,957,709.48 = 27,612,939.74 : x - Step 2: Convert to fraction form
48,515,824.58/66,957,709.48 = 27,612,939.74/x - Step 3: Cross multiply
48,515,824.58x = 66,957,709.48 × 27,612,939.74 - Step 4: Simplify right side
48,515,824.58x = 1,848,899,196,999,666.50 - Step 5: Solve for x
x = 1,848,899,196,999,666.50/48,515,824.58 - Step 6: Final answer
x = 38,109,198.66
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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.