Finding the Fourth Proportional to 7,393,529.90, 10,202,704.98 and 4,129,694.84
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Solution
The fourth proportional to 7,393,529.90, 10,202,704.98 and 4,129,694.84 is: 5,698,774.29
Step by Step Solution
- Step 1: Write the proportion equation
7,393,529.90 : 10,202,704.98 = 4,129,694.84 : x - Step 2: Convert to fraction form
7,393,529.90/10,202,704.98 = 4,129,694.84/x - Step 3: Cross multiply
7,393,529.90x = 10,202,704.98 × 4,129,694.84 - Step 4: Simplify right side
7,393,529.90x = 42,134,058,109,948.30 - Step 5: Solve for x
x = 42,134,058,109,948.30/7,393,529.90 - Step 6: Final answer
x = 5,698,774.29
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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.