Finding the Fourth Proportional to 21,723,726, 32,589,785.16 and 8,259,507.12
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Solution
The fourth proportional to 21,723,726, 32,589,785.16 and 8,259,507.12 is: 12,390,856.09
Step by Step Solution
- Step 1: Write the proportion equation
21,723,726 : 32,589,785.16 = 8,259,507.12 : x - Step 2: Convert to fraction form
21,723,726/32,589,785.16 = 8,259,507.12/x - Step 3: Cross multiply
21,723,726x = 32,589,785.16 × 8,259,507.12 - Step 4: Simplify right side
21,723,726x = 269,175,562,568,290.34 - Step 5: Solve for x
x = 269,175,562,568,290.34/21,723,726 - Step 6: Final answer
x = 12,390,856.09
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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.