Finding the Fourth Proportional to 18,565,013.92, 27,847,408.56 and 10,099,153.12
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Solution
The fourth proportional to 18,565,013.92, 27,847,408.56 and 10,099,153.12 is: 15,148,668.58
Step by Step Solution
- Step 1: Write the proportion equation
18,565,013.92 : 27,847,408.56 = 10,099,153.12 : x - Step 2: Convert to fraction form
18,565,013.92/27,847,408.56 = 10,099,153.12/x - Step 3: Cross multiply
18,565,013.92x = 27,847,408.56 × 10,099,153.12 - Step 4: Simplify right side
18,565,013.92x = 281,235,243,042,638.66 - Step 5: Solve for x
x = 281,235,243,042,638.66/18,565,013.92 - Step 6: Final answer
x = 15,148,668.58
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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.