Finding the Fourth Proportional to 45,568,578.09, 68,344,157.91 and 13,655,874.09
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Solution
The fourth proportional to 45,568,578.09, 68,344,157.91 and 13,655,874.09 is: 20,481,201.18
Step by Step Solution
- Step 1: Write the proportion equation
45,568,578.09 : 68,344,157.91 = 13,655,874.09 : x - Step 2: Convert to fraction form
45,568,578.09/68,344,157.91 = 13,655,874.09/x - Step 3: Cross multiply
45,568,578.09x = 68,344,157.91 × 13,655,874.09 - Step 4: Simplify right side
45,568,578.09x = 933,299,215,206,037.50 - Step 5: Solve for x
x = 933,299,215,206,037.50/45,568,578.09 - Step 6: Final answer
x = 20,481,201.18
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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.