Finding the Fourth Proportional to 7,367,121.12, 11,052,262.80 and 4,173,777.12
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Solution
The fourth proportional to 7,367,121.12, 11,052,262.80 and 4,173,777.12 is: 6,261,561.45
Step by Step Solution
- Step 1: Write the proportion equation
7,367,121.12 : 11,052,262.80 = 4,173,777.12 : x - Step 2: Convert to fraction form
7,367,121.12/11,052,262.80 = 4,173,777.12/x - Step 3: Cross multiply
7,367,121.12x = 11,052,262.80 × 4,173,777.12 - Step 4: Simplify right side
7,367,121.12x = 46,129,681,598,867.14 - Step 5: Solve for x
x = 46,129,681,598,867.14/7,367,121.12 - Step 6: Final answer
x = 6,261,561.45
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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.