Finding the Fourth Proportional to 7,060,744.68, 9,743,971.55 and 3,963,491.36
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Solution
The fourth proportional to 7,060,744.68, 9,743,971.55 and 3,963,491.36 is: 5,469,698.84
Step by Step Solution
- Step 1: Write the proportion equation
7,060,744.68 : 9,743,971.55 = 3,963,491.36 : x - Step 2: Convert to fraction form
7,060,744.68/9,743,971.55 = 3,963,491.36/x - Step 3: Cross multiply
7,060,744.68x = 9,743,971.55 × 3,963,491.36 - Step 4: Simplify right side
7,060,744.68x = 38,620,146,981,973.49 - Step 5: Solve for x
x = 38,620,146,981,973.49/7,060,744.68 - Step 6: Final answer
x = 5,469,698.84
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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.