Finding the Fourth Proportional to 45,568,581.09, 68,344,162.41 and 13,655,877.09
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Solution
The fourth proportional to 45,568,581.09, 68,344,162.41 and 13,655,877.09 is: 20,481,205.68
Step by Step Solution
- Step 1: Write the proportion equation
45,568,581.09 : 68,344,162.41 = 13,655,877.09 : x - Step 2: Convert to fraction form
45,568,581.09/68,344,162.41 = 13,655,877.09/x - Step 3: Cross multiply
45,568,581.09x = 68,344,162.41 × 13,655,877.09 - Step 4: Simplify right side
45,568,581.09x = 933,299,481,689,958.12 - Step 5: Solve for x
x = 933,299,481,689,958.12/45,568,581.09 - Step 6: Final answer
x = 20,481,205.68
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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.