Finding the Fourth Proportional to 8,422,828.48, 11,623,503.30 and 4,555,349.64
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Solution
The fourth proportional to 8,422,828.48, 11,623,503.30 and 4,555,349.64 is: 6,286,382.50
Step by Step Solution
- Step 1: Write the proportion equation
8,422,828.48 : 11,623,503.30 = 4,555,349.64 : x - Step 2: Convert to fraction form
8,422,828.48/11,623,503.30 = 4,555,349.64/x - Step 3: Cross multiply
8,422,828.48x = 11,623,503.30 × 4,555,349.64 - Step 4: Simplify right side
8,422,828.48x = 52,949,121,573,193.81 - Step 5: Solve for x
x = 52,949,121,573,193.81/8,422,828.48 - Step 6: Final answer
x = 6,286,382.50
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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.