Finding the Fourth Proportional to 11,424,943.44, 15,765,899.24 and 6,268,198.48
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Solution
The fourth proportional to 11,424,943.44, 15,765,899.24 and 6,268,198.48 is: 8,649,827.12
Step by Step Solution
- Step 1: Write the proportion equation
11,424,943.44 : 15,765,899.24 = 6,268,198.48 : x - Step 2: Convert to fraction form
11,424,943.44/15,765,899.24 = 6,268,198.48/x - Step 3: Cross multiply
11,424,943.44x = 15,765,899.24 × 6,268,198.48 - Step 4: Simplify right side
11,424,943.44x = 98,823,785,652,001.16 - Step 5: Solve for x
x = 98,823,785,652,001.16/11,424,943.44 - Step 6: Final answer
x = 8,649,827.12
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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.