Finding the Fourth Proportional to 16,452,645.39, 22,704,636.33 and 9,110,478.15
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Solution
The fourth proportional to 16,452,645.39, 22,704,636.33 and 9,110,478.15 is: 12,572,451.92
Step by Step Solution
- Step 1: Write the proportion equation
16,452,645.39 : 22,704,636.33 = 9,110,478.15 : x - Step 2: Convert to fraction form
16,452,645.39/22,704,636.33 = 9,110,478.15/x - Step 3: Cross multiply
16,452,645.39x = 22,704,636.33 × 9,110,478.15 - Step 4: Simplify right side
16,452,645.39x = 206,850,093,188,161.19 - Step 5: Solve for x
x = 206,850,093,188,161.19/16,452,645.39 - Step 6: Final answer
x = 12,572,451.92
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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.