Finding the Fourth Proportional to 20,520,249.92, 30,779,467.68 and 5,373,846.08
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Solution
The fourth proportional to 20,520,249.92, 30,779,467.68 and 5,373,846.08 is: 8,060,531.54
Step by Step Solution
- Step 1: Write the proportion equation
20,520,249.92 : 30,779,467.68 = 5,373,846.08 : x - Step 2: Convert to fraction form
20,520,249.92/30,779,467.68 = 5,373,846.08/x - Step 3: Cross multiply
20,520,249.92x = 30,779,467.68 × 5,373,846.08 - Step 4: Simplify right side
20,520,249.92x = 165,404,121,736,654.69 - Step 5: Solve for x
x = 165,404,121,736,654.69/20,520,249.92 - Step 6: Final answer
x = 8,060,531.54
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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.