Finding the Fourth Proportional to 8,107,201.32, 11,186,836.18 and 4,843,325.20
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Solution
The fourth proportional to 8,107,201.32, 11,186,836.18 and 4,843,325.20 is: 6,683,130.64
Step by Step Solution
- Step 1: Write the proportion equation
8,107,201.32 : 11,186,836.18 = 4,843,325.20 : x - Step 2: Convert to fraction form
8,107,201.32/11,186,836.18 = 4,843,325.20/x - Step 3: Cross multiply
8,107,201.32x = 11,186,836.18 × 4,843,325.20 - Step 4: Simplify right side
8,107,201.32x = 54,181,485,578,865.73 - Step 5: Solve for x
x = 54,181,485,578,865.73/8,107,201.32 - Step 6: Final answer
x = 6,683,130.64
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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.