Finding the Fourth Proportional to 11,348,465.80, 17,022,698.70 and 3,370,289.80
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Solution
The fourth proportional to 11,348,465.80, 17,022,698.70 and 3,370,289.80 is: 5,055,434.70
Step by Step Solution
- Step 1: Write the proportion equation
11,348,465.80 : 17,022,698.70 = 3,370,289.80 : x - Step 2: Convert to fraction form
11,348,465.80/17,022,698.70 = 3,370,289.80/x - Step 3: Cross multiply
11,348,465.80x = 17,022,698.70 × 3,370,289.80 - Step 4: Simplify right side
11,348,465.80x = 57,371,427,797,083.26 - Step 5: Solve for x
x = 57,371,427,797,083.26/11,348,465.80 - Step 6: Final answer
x = 5,055,434.70
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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.