Finding the Fourth Proportional to 16,123,873.68, 22,250,945.70 and 8,880,529.68
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Solution
The fourth proportional to 16,123,873.68, 22,250,945.70 and 8,880,529.68 is: 12,255,130.97
Step by Step Solution
- Step 1: Write the proportion equation
16,123,873.68 : 22,250,945.70 = 8,880,529.68 : x - Step 2: Convert to fraction form
16,123,873.68/22,250,945.70 = 8,880,529.68/x - Step 3: Cross multiply
16,123,873.68x = 22,250,945.70 × 8,880,529.68 - Step 4: Simplify right side
16,123,873.68x = 197,600,183,696,918.38 - Step 5: Solve for x
x = 197,600,183,696,918.38/16,123,873.68 - Step 6: Final answer
x = 12,255,130.97
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1.5x scale
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.