Finding the Fourth Proportional to 7,641,963.48, 10,545,528.42 and 4,204,116.12
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Solution
The fourth proportional to 7,641,963.48, 10,545,528.42 and 4,204,116.12 is: 5,801,470.54
Step by Step Solution
- Step 1: Write the proportion equation
7,641,963.48 : 10,545,528.42 = 4,204,116.12 : x - Step 2: Convert to fraction form
7,641,963.48/10,545,528.42 = 4,204,116.12/x - Step 3: Cross multiply
7,641,963.48x = 10,545,528.42 × 4,204,116.12 - Step 4: Simplify right side
7,641,963.48x = 44,334,626,024,440.13 - Step 5: Solve for x
x = 44,334,626,024,440.13/7,641,963.48 - Step 6: Final answer
x = 5,801,470.54
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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.