Finding the Fourth Proportional to 16,153,819.15, 22,292,412.84 and 8,811,684.92
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Solution
The fourth proportional to 16,153,819.15, 22,292,412.84 and 8,811,684.92 is: 12,160,202.87
Step by Step Solution
- Step 1: Write the proportion equation
16,153,819.15 : 22,292,412.84 = 8,811,684.92 : x - Step 2: Convert to fraction form
16,153,819.15/22,292,412.84 = 8,811,684.92/x - Step 3: Cross multiply
16,153,819.15x = 22,292,412.84 × 8,811,684.92 - Step 4: Simplify right side
16,153,819.15x = 196,433,718,052,642.38 - Step 5: Solve for x
x = 196,433,718,052,642.38/16,153,819.15 - Step 6: Final answer
x = 12,160,202.87
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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.