Finding the Fourth Proportional to 18,252,551.25, 27,405,741.20 and 10,181,296.53
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Solution
The fourth proportional to 18,252,551.25, 27,405,741.20 and 10,181,296.53 is: 15,286,957.64
Step by Step Solution
- Step 1: Write the proportion equation
18,252,551.25 : 27,405,741.20 = 10,181,296.53 : x - Step 2: Convert to fraction form
18,252,551.25/27,405,741.20 = 10,181,296.53/x - Step 3: Cross multiply
18,252,551.25x = 27,405,741.20 × 10,181,296.53 - Step 4: Simplify right side
18,252,551.25x = 279,025,977,730,731.53 - Step 5: Solve for x
x = 279,025,977,730,731.53/18,252,551.25 - Step 6: Final answer
x = 15,286,957.64
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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.