Finding the Fourth Proportional to 13,863,062.64, 20,785,736.16 and 6,660,265.44
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Solution
The fourth proportional to 13,863,062.64, 20,785,736.16 and 6,660,265.44 is: 9,986,142.59
Step by Step Solution
- Step 1: Write the proportion equation
13,863,062.64 : 20,785,736.16 = 6,660,265.44 : x - Step 2: Convert to fraction form
13,863,062.64/20,785,736.16 = 6,660,265.44/x - Step 3: Cross multiply
13,863,062.64x = 20,785,736.16 × 6,660,265.44 - Step 4: Simplify right side
13,863,062.64x = 138,438,520,191,406.31 - Step 5: Solve for x
x = 138,438,520,191,406.31/13,863,062.64 - Step 6: Final answer
x = 9,986,142.59
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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.