Finding the Fourth Proportional to 16,066,661.24, 22,171,922.36 and 8,724,435.12
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Solution
The fourth proportional to 16,066,661.24, 22,171,922.36 and 8,724,435.12 is: 12,039,682.37
Step by Step Solution
- Step 1: Write the proportion equation
16,066,661.24 : 22,171,922.36 = 8,724,435.12 : x - Step 2: Convert to fraction form
16,066,661.24/22,171,922.36 = 8,724,435.12/x - Step 3: Cross multiply
16,066,661.24x = 22,171,922.36 × 8,724,435.12 - Step 4: Simplify right side
16,066,661.24x = 193,437,498,115,497.25 - Step 5: Solve for x
x = 193,437,498,115,497.25/16,066,661.24 - Step 6: Final answer
x = 12,039,682.37
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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.