Finding the Fourth Proportional to 16,966,135.12, 25,446,041.68 and 5,451,802.08
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Solution
The fourth proportional to 16,966,135.12, 25,446,041.68 and 5,451,802.08 is: 8,176,687.38
Step by Step Solution
- Step 1: Write the proportion equation
16,966,135.12 : 25,446,041.68 = 5,451,802.08 : x - Step 2: Convert to fraction form
16,966,135.12/25,446,041.68 = 5,451,802.08/x - Step 3: Cross multiply
16,966,135.12x = 25,446,041.68 × 5,451,802.08 - Step 4: Simplify right side
16,966,135.12x = 138,726,782,958,790.69 - Step 5: Solve for x
x = 138,726,782,958,790.69/16,966,135.12 - Step 6: Final answer
x = 8,176,687.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.