Finding the Fourth Proportional to 19,509,190.10, 26,861,258.98 and 16,563,180.21
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Solution
The fourth proportional to 19,509,190.10, 26,861,258.98 and 16,563,180.21 is: 22,805,040.64
Step by Step Solution
- Step 1: Write the proportion equation
19,509,190.10 : 26,861,258.98 = 16,563,180.21 : x - Step 2: Convert to fraction form
19,509,190.10/26,861,258.98 = 16,563,180.21/x - Step 3: Cross multiply
19,509,190.10x = 26,861,258.98 × 16,563,180.21 - Step 4: Simplify right side
19,509,190.10x = 444,907,873,073,195.06 - Step 5: Solve for x
x = 444,907,873,073,195.06/19,509,190.10 - Step 6: Final answer
x = 22,805,040.64
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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.