Finding the Fourth Proportional to 18,641,441.88, 27,963,159.27 and 5,862,943.03
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Solution
The fourth proportional to 18,641,441.88, 27,963,159.27 and 5,862,943.03 is: 8,794,727.94
Step by Step Solution
- Step 1: Write the proportion equation
18,641,441.88 : 27,963,159.27 = 5,862,943.03 : x - Step 2: Convert to fraction form
18,641,441.88/27,963,159.27 = 5,862,943.03/x - Step 3: Cross multiply
18,641,441.88x = 27,963,159.27 × 5,862,943.03 - Step 4: Simplify right side
18,641,441.88x = 163,946,409,724,169.03 - Step 5: Solve for x
x = 163,946,409,724,169.03/18,641,441.88 - Step 6: Final answer
x = 8,794,727.94
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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.