Finding the Fourth Proportional to 9,343,276.80, 14,010,249.60 and 4,288,876.80
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Solution
The fourth proportional to 9,343,276.80, 14,010,249.60 and 4,288,876.80 is: 6,431,173.53
Step by Step Solution
- Step 1: Write the proportion equation
9,343,276.80 : 14,010,249.60 = 4,288,876.80 : x - Step 2: Convert to fraction form
9,343,276.80/14,010,249.60 = 4,288,876.80/x - Step 3: Cross multiply
9,343,276.80x = 14,010,249.60 × 4,288,876.80 - Step 4: Simplify right side
9,343,276.80x = 60,088,234,471,649.27 - Step 5: Solve for x
x = 60,088,234,471,649.27/9,343,276.80 - Step 6: Final answer
x = 6,431,173.53
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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.