Finding the Fourth Proportional to 6,622,959.99, 9,137,629.80 and 3,867,659.84
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Solution
The fourth proportional to 6,622,959.99, 9,137,629.80 and 3,867,659.84 is: 5,336,170.51
Step by Step Solution
- Step 1: Write the proportion equation
6,622,959.99 : 9,137,629.80 = 3,867,659.84 : x - Step 2: Convert to fraction form
6,622,959.99/9,137,629.80 = 3,867,659.84/x - Step 3: Cross multiply
6,622,959.99x = 9,137,629.80 × 3,867,659.84 - Step 4: Simplify right side
6,622,959.99x = 35,341,243,810,247.23 - Step 5: Solve for x
x = 35,341,243,810,247.23/6,622,959.99 - Step 6: Final answer
x = 5,336,170.51
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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.