Finding the Fourth Proportional to 18,094,220.40, 27,138,220.20 and 6,728,818.80
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Solution
The fourth proportional to 18,094,220.40, 27,138,220.20 and 6,728,818.80 is: 10,092,071.51
Step by Step Solution
- Step 1: Write the proportion equation
18,094,220.40 : 27,138,220.20 = 6,728,818.80 : x - Step 2: Convert to fraction form
18,094,220.40/27,138,220.20 = 6,728,818.80/x - Step 3: Cross multiply
18,094,220.40x = 27,138,220.20 × 6,728,818.80 - Step 4: Simplify right side
18,094,220.40x = 182,608,166,280,299.75 - Step 5: Solve for x
x = 182,608,166,280,299.75/18,094,220.40 - Step 6: Final answer
x = 10,092,071.51
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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.