Finding the Fourth Proportional to 32,000,643.76, 44,161,005.42 and 17,316,310.18
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Solution
The fourth proportional to 32,000,643.76, 44,161,005.42 and 17,316,310.18 is: 23,896,571.38
Step by Step Solution
- Step 1: Write the proportion equation
32,000,643.76 : 44,161,005.42 = 17,316,310.18 : x - Step 2: Convert to fraction form
32,000,643.76/44,161,005.42 = 17,316,310.18/x - Step 3: Cross multiply
32,000,643.76x = 44,161,005.42 × 17,316,310.18 - Step 4: Simplify right side
32,000,643.76x = 764,705,667,713,381.25 - Step 5: Solve for x
x = 764,705,667,713,381.25/32,000,643.76 - Step 6: Final answer
x = 23,896,571.38
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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.