Finding the Fourth Proportional to 6,128,859.04, 8,453,775.12 and 3,833,033.92
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Solution
The fourth proportional to 6,128,859.04, 8,453,775.12 and 3,833,033.92 is: 5,287,053.69
Step by Step Solution
- Step 1: Write the proportion equation
6,128,859.04 : 8,453,775.12 = 3,833,033.92 : x - Step 2: Convert to fraction form
6,128,859.04/8,453,775.12 = 3,833,033.92/x - Step 3: Cross multiply
6,128,859.04x = 8,453,775.12 × 3,833,033.92 - Step 4: Simplify right side
6,128,859.04x = 32,403,606,787,012.07 - Step 5: Solve for x
x = 32,403,606,787,012.07/6,128,859.04 - Step 6: Final answer
x = 5,287,053.69
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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.