Finding the Fourth Proportional to 18,396,046.70, 27,594,070.05 and 18,018,133.10
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Solution
The fourth proportional to 18,396,046.70, 27,594,070.05 and 18,018,133.10 is: 27,027,199.65
Step by Step Solution
- Step 1: Write the proportion equation
18,396,046.70 : 27,594,070.05 = 18,018,133.10 : x - Step 2: Convert to fraction form
18,396,046.70/27,594,070.05 = 18,018,133.10/x - Step 3: Cross multiply
18,396,046.70x = 27,594,070.05 × 18,018,133.10 - Step 4: Simplify right side
18,396,046.70x = 497,193,626,931,623.69 - Step 5: Solve for x
x = 497,193,626,931,623.69/18,396,046.70 - Step 6: Final answer
x = 27,027,199.65
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Similar ratio
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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.