Finding the Fourth Proportional to 28,673,701.99, 39,568,328.39 and 16,282,158.64
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Solution
The fourth proportional to 28,673,701.99, 39,568,328.39 and 16,282,158.64 is: 22,468,595.10
Step by Step Solution
- Step 1: Write the proportion equation
28,673,701.99 : 39,568,328.39 = 16,282,158.64 : x - Step 2: Convert to fraction form
28,673,701.99/39,568,328.39 = 16,282,158.64/x - Step 3: Cross multiply
28,673,701.99x = 39,568,328.39 × 16,282,158.64 - Step 4: Simplify right side
28,673,701.99x = 644,257,799,907,380.25 - Step 5: Solve for x
x = 644,257,799,907,380.25/28,673,701.99 - Step 6: Final answer
x = 22,468,595.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.