Finding the Fourth Proportional to 18,478,237.68, 27,717,051.60 and 5,524,418.88
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Solution
The fourth proportional to 18,478,237.68, 27,717,051.60 and 5,524,418.88 is: 8,286,537.16
Step by Step Solution
- Step 1: Write the proportion equation
18,478,237.68 : 27,717,051.60 = 5,524,418.88 : x - Step 2: Convert to fraction form
18,478,237.68/27,717,051.60 = 5,524,418.88/x - Step 3: Cross multiply
18,478,237.68x = 27,717,051.60 × 5,524,418.88 - Step 4: Simplify right side
18,478,237.68x = 153,120,603,156,974.22 - Step 5: Solve for x
x = 153,120,603,156,974.22/18,478,237.68 - Step 6: Final answer
x = 8,286,537.16
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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.