Finding the Fourth Proportional to 21,609,672.24, 32,414,563.20 and 8,830,174.64
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Solution
The fourth proportional to 21,609,672.24, 32,414,563.20 and 8,830,174.64 is: 13,245,284.37
Step by Step Solution
- Step 1: Write the proportion equation
21,609,672.24 : 32,414,563.20 = 8,830,174.64 : x - Step 2: Convert to fraction form
21,609,672.24/32,414,563.20 = 8,830,174.64/x - Step 3: Cross multiply
21,609,672.24x = 32,414,563.20 × 8,830,174.64 - Step 4: Simplify right side
21,609,672.24x = 286,226,253,935,317.25 - Step 5: Solve for x
x = 286,226,253,935,317.25/21,609,672.24 - Step 6: Final answer
x = 13,245,284.37
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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.