Finding the Fourth Proportional to 21,568,308.45, 32,352,462.68 and 16,749,910.05
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Solution
The fourth proportional to 21,568,308.45, 32,352,462.68 and 16,749,910.05 is: 25,124,865.08
Step by Step Solution
- Step 1: Write the proportion equation
21,568,308.45 : 32,352,462.68 = 16,749,910.05 : x - Step 2: Convert to fraction form
21,568,308.45/32,352,462.68 = 16,749,910.05/x - Step 3: Cross multiply
21,568,308.45x = 32,352,462.68 × 16,749,910.05 - Step 4: Simplify right side
21,568,308.45x = 541,900,839,702,232.44 - Step 5: Solve for x
x = 541,900,839,702,232.44/21,568,308.45 - Step 6: Final answer
x = 25,124,865.08
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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.