Finding the Fourth Proportional to 7,807,447.28, 10,774,613.97 and 4,322,786.06
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Solution
The fourth proportional to 7,807,447.28, 10,774,613.97 and 4,322,786.06 is: 5,965,631.20
Step by Step Solution
- Step 1: Write the proportion equation
7,807,447.28 : 10,774,613.97 = 4,322,786.06 : x - Step 2: Convert to fraction form
7,807,447.28/10,774,613.97 = 4,322,786.06/x - Step 3: Cross multiply
7,807,447.28x = 10,774,613.97 × 4,322,786.06 - Step 4: Simplify right side
7,807,447.28x = 46,576,351,017,524.19 - Step 5: Solve for x
x = 46,576,351,017,524.19/7,807,447.28 - Step 6: Final answer
x = 5,965,631.20
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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.