Finding the Fourth Proportional to 21,466,232.18, 32,192,516.91 and 7,086,622.58
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Solution
The fourth proportional to 21,466,232.18, 32,192,516.91 and 7,086,622.58 is: 10,627,678.64
Step by Step Solution
- Step 1: Write the proportion equation
21,466,232.18 : 32,192,516.91 = 7,086,622.58 : x - Step 2: Convert to fraction form
21,466,232.18/32,192,516.91 = 7,086,622.58/x - Step 3: Cross multiply
21,466,232.18x = 32,192,516.91 × 7,086,622.58 - Step 4: Simplify right side
21,466,232.18x = 228,136,217,241,437.84 - Step 5: Solve for x
x = 228,136,217,241,437.84/21,466,232.18 - Step 6: Final answer
x = 10,627,678.64
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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.