Finding the Fourth Proportional to 16,493,964.30, 24,698,956.05 and 15,738,137.10
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Solution
The fourth proportional to 16,493,964.30, 24,698,956.05 and 15,738,137.10 is: 23,567,139.44
Step by Step Solution
- Step 1: Write the proportion equation
16,493,964.30 : 24,698,956.05 = 15,738,137.10 : x - Step 2: Convert to fraction form
16,493,964.30/24,698,956.05 = 15,738,137.10/x - Step 3: Cross multiply
16,493,964.30x = 24,698,956.05 × 15,738,137.10 - Step 4: Simplify right side
16,493,964.30x = 388,715,556,541,774.44 - Step 5: Solve for x
x = 388,715,556,541,774.44/16,493,964.30 - Step 6: Final answer
x = 23,567,139.44
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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.