Finding the Fourth Proportional to 8,691,290.64, 11,996,185.86 and 5,939,092.08
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Solution
The fourth proportional to 8,691,290.64, 11,996,185.86 and 5,939,092.08 is: 8,197,453.68
Step by Step Solution
- Step 1: Write the proportion equation
8,691,290.64 : 11,996,185.86 = 5,939,092.08 : x - Step 2: Convert to fraction form
8,691,290.64/11,996,185.86 = 5,939,092.08/x - Step 3: Cross multiply
8,691,290.64x = 11,996,185.86 × 5,939,092.08 - Step 4: Simplify right side
8,691,290.64x = 71,246,452,431,333.98 - Step 5: Solve for x
x = 71,246,452,431,333.98/8,691,290.64 - Step 6: Final answer
x = 8,197,453.68
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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.