Finding the Fourth Proportional to 19,193,633.43, 28,790,450.24 and 6,414,138.12
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Solution
The fourth proportional to 19,193,633.43, 28,790,450.24 and 6,414,138.12 is: 9,621,207.21
Step by Step Solution
- Step 1: Write the proportion equation
19,193,633.43 : 28,790,450.24 = 6,414,138.12 : x - Step 2: Convert to fraction form
19,193,633.43/28,790,450.24 = 6,414,138.12/x - Step 3: Cross multiply
19,193,633.43x = 28,790,450.24 × 6,414,138.12 - Step 4: Simplify right side
19,193,633.43x = 184,665,924,376,347.16 - Step 5: Solve for x
x = 184,665,924,376,347.16/19,193,633.43 - Step 6: Final answer
x = 9,621,207.21
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1.5x scale
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.