Finding the Fourth Proportional to 12,016,629.08, 18,027,778.97 and 3,929,573.28
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Solution
The fourth proportional to 12,016,629.08, 18,027,778.97 and 3,929,573.28 is: 5,895,287.12
Step by Step Solution
- Step 1: Write the proportion equation
12,016,629.08 : 18,027,778.97 = 3,929,573.28 : x - Step 2: Convert to fraction form
12,016,629.08/18,027,778.97 = 3,929,573.28/x - Step 3: Cross multiply
12,016,629.08x = 18,027,778.97 × 3,929,573.28 - Step 4: Simplify right side
12,016,629.08x = 70,841,478,615,686.03 - Step 5: Solve for x
x = 70,841,478,615,686.03/12,016,629.08 - Step 6: Final answer
x = 5,895,287.12
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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.