Finding the Fourth Proportional to 39,517,026.01, 54,534,141.60 and 21,634,948.09
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Solution
The fourth proportional to 39,517,026.01, 54,534,141.60 and 21,634,948.09 is: 29,856,581.88
Step by Step Solution
- Step 1: Write the proportion equation
39,517,026.01 : 54,534,141.60 = 21,634,948.09 : x - Step 2: Convert to fraction form
39,517,026.01/54,534,141.60 = 21,634,948.09/x - Step 3: Cross multiply
39,517,026.01x = 54,534,141.60 × 21,634,948.09 - Step 4: Simplify right side
39,517,026.01x = 1,179,843,322,648,709.50 - Step 5: Solve for x
x = 1,179,843,322,648,709.50/39,517,026.01 - Step 6: Final answer
x = 29,856,581.88
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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.