Finding the Fourth Proportional to 22,290,704.24, 30,764,534.28 and 13,593,921.68
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Solution
The fourth proportional to 22,290,704.24, 30,764,534.28 and 13,593,921.68 is: 18,761,662.49
Step by Step Solution
- Step 1: Write the proportion equation
22,290,704.24 : 30,764,534.28 = 13,593,921.68 : x - Step 2: Convert to fraction form
22,290,704.24/30,764,534.28 = 13,593,921.68/x - Step 3: Cross multiply
22,290,704.24x = 30,764,534.28 × 13,593,921.68 - Step 4: Simplify right side
22,290,704.24x = 418,210,669,523,995.19 - Step 5: Solve for x
x = 418,210,669,523,995.19/22,290,704.24 - Step 6: Final answer
x = 18,761,662.49
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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.