Finding the Fourth Proportional to 11,524,843.64, 15,907,597.08 and 7,607,459.12
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Solution
The fourth proportional to 11,524,843.64, 15,907,597.08 and 7,607,459.12 is: 10,500,480.38
Step by Step Solution
- Step 1: Write the proportion equation
11,524,843.64 : 15,907,597.08 = 7,607,459.12 : x - Step 2: Convert to fraction form
11,524,843.64/15,907,597.08 = 7,607,459.12/x - Step 3: Cross multiply
11,524,843.64x = 15,907,597.08 × 7,607,459.12 - Step 4: Simplify right side
11,524,843.64x = 121,016,394,483,531.38 - Step 5: Solve for x
x = 121,016,394,483,531.38/11,524,843.64 - Step 6: Final answer
x = 10,500,480.38
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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.