Finding the Fourth Proportional to 18,256,220.10, 27,384,330.15 and 4,794,408.90
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Solution
The fourth proportional to 18,256,220.10, 27,384,330.15 and 4,794,408.90 is: 7,191,613.35
Step by Step Solution
- Step 1: Write the proportion equation
18,256,220.10 : 27,384,330.15 = 4,794,408.90 : x - Step 2: Convert to fraction form
18,256,220.10/27,384,330.15 = 4,794,408.90/x - Step 3: Cross multiply
18,256,220.10x = 27,384,330.15 × 4,794,408.90 - Step 4: Simplify right side
18,256,220.10x = 131,291,676,191,698.34 - Step 5: Solve for x
x = 131,291,676,191,698.34/18,256,220.10 - Step 6: Final answer
x = 7,191,613.35
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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.