Finding the Fourth Proportional to 17,684,715.32, 24,345,952.62 and 16,872,201.08
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Solution
The fourth proportional to 17,684,715.32, 24,345,952.62 and 16,872,201.08 is: 23,227,391.60
Step by Step Solution
- Step 1: Write the proportion equation
17,684,715.32 : 24,345,952.62 = 16,872,201.08 : x - Step 2: Convert to fraction form
17,684,715.32/24,345,952.62 = 16,872,201.08/x - Step 3: Cross multiply
17,684,715.32x = 24,345,952.62 × 16,872,201.08 - Step 4: Simplify right side
17,684,715.32x = 410,769,808,088,792.81 - Step 5: Solve for x
x = 410,769,808,088,792.81/17,684,715.32 - Step 6: Final answer
x = 23,227,391.60
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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.