Finding the Fourth Proportional to 18,151,618.20, 27,227,427.30 and 14,041,807.80
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Solution
The fourth proportional to 18,151,618.20, 27,227,427.30 and 14,041,807.80 is: 21,062,711.70
Step by Step Solution
- Step 1: Write the proportion equation
18,151,618.20 : 27,227,427.30 = 14,041,807.80 : x - Step 2: Convert to fraction form
18,151,618.20/27,227,427.30 = 14,041,807.80/x - Step 3: Cross multiply
18,151,618.20x = 27,227,427.30 × 14,041,807.80 - Step 4: Simplify right side
18,151,618.20x = 382,322,301,035,073 - Step 5: Solve for x
x = 382,322,301,035,073/18,151,618.20 - Step 6: Final answer
x = 21,062,711.70
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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.