Finding the Fourth Proportional to 8,232,236.16, 11,364,434.88 and 5,786,943.36
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Solution
The fourth proportional to 8,232,236.16, 11,364,434.88 and 5,786,943.36 is: 7,988,757.82
Step by Step Solution
- Step 1: Write the proportion equation
8,232,236.16 : 11,364,434.88 = 5,786,943.36 : x - Step 2: Convert to fraction form
8,232,236.16/11,364,434.88 = 5,786,943.36/x - Step 3: Cross multiply
8,232,236.16x = 11,364,434.88 × 5,786,943.36 - Step 4: Simplify right side
8,232,236.16x = 65,765,340,968,968.41 - Step 5: Solve for x
x = 65,765,340,968,968.41/8,232,236.16 - Step 6: Final answer
x = 7,988,757.82
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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.