Finding the Fourth Proportional to 18,051,306.21, 27,078,091.97 and 5,098,471.09
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Solution
The fourth proportional to 18,051,306.21, 27,078,091.97 and 5,098,471.09 is: 7,648,026.54
Step by Step Solution
- Step 1: Write the proportion equation
18,051,306.21 : 27,078,091.97 = 5,098,471.09 : x - Step 2: Convert to fraction form
18,051,306.21/27,078,091.97 = 5,098,471.09/x - Step 3: Cross multiply
18,051,306.21x = 27,078,091.97 × 5,098,471.09 - Step 4: Simplify right side
18,051,306.21x = 138,056,868,988,218.58 - Step 5: Solve for x
x = 138,056,868,988,218.58/18,051,306.21 - Step 6: Final answer
x = 7,648,026.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.