Finding the Fourth Proportional to 8,471,213.48, 11,689,827.19 and 4,800,174.05
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Solution
The fourth proportional to 8,471,213.48, 11,689,827.19 and 4,800,174.05 is: 6,623,986.66
Step by Step Solution
- Step 1: Write the proportion equation
8,471,213.48 : 11,689,827.19 = 4,800,174.05 : x - Step 2: Convert to fraction form
8,471,213.48/11,689,827.19 = 4,800,174.05/x - Step 3: Cross multiply
8,471,213.48x = 11,689,827.19 × 4,800,174.05 - Step 4: Simplify right side
8,471,213.48x = 56,113,205,126,422.41 - Step 5: Solve for x
x = 56,113,205,126,422.41/8,471,213.48 - Step 6: Final answer
x = 6,623,986.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.