Finding the Fourth Proportional to 16,209,269.29, 22,368,724.70 and 8,766,939.56
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Solution
The fourth proportional to 16,209,269.29, 22,368,724.70 and 8,766,939.56 is: 12,098,340.39
Step by Step Solution
- Step 1: Write the proportion equation
16,209,269.29 : 22,368,724.70 = 8,766,939.56 : x - Step 2: Convert to fraction form
16,209,269.29/22,368,724.70 = 8,766,939.56/x - Step 3: Cross multiply
16,209,269.29x = 22,368,724.70 × 8,766,939.56 - Step 4: Simplify right side
16,209,269.29x = 196,105,257,323,500.81 - Step 5: Solve for x
x = 196,105,257,323,500.81/16,209,269.29 - Step 6: Final answer
x = 12,098,340.39
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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.