Finding the Fourth Proportional to 7,168,693.97, 10,748,626.45 and 3,520,784.45
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Solution
The fourth proportional to 7,168,693.97, 10,748,626.45 and 3,520,784.45 is: 5,279,008.56
Step by Step Solution
- Step 1: Write the proportion equation
7,168,693.97 : 10,748,626.45 = 3,520,784.45 : x - Step 2: Convert to fraction form
7,168,693.97/10,748,626.45 = 3,520,784.45/x - Step 3: Cross multiply
7,168,693.97x = 10,748,626.45 × 3,520,784.45 - Step 4: Simplify right side
7,168,693.97x = 37,843,596,864,018.70 - Step 5: Solve for x
x = 37,843,596,864,018.70/7,168,693.97 - Step 6: Final answer
x = 5,279,008.56
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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.