Finding the Fourth Proportional to 18,477,148.96, 25,485,813.84 and 12,047,330.08
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Solution
The fourth proportional to 18,477,148.96, 25,485,813.84 and 12,047,330.08 is: 16,617,066.43
Step by Step Solution
- Step 1: Write the proportion equation
18,477,148.96 : 25,485,813.84 = 12,047,330.08 : x - Step 2: Convert to fraction form
18,477,148.96/25,485,813.84 = 12,047,330.08/x - Step 3: Cross multiply
18,477,148.96x = 25,485,813.84 × 12,047,330.08 - Step 4: Simplify right side
18,477,148.96x = 307,036,011,687,912.31 - Step 5: Solve for x
x = 307,036,011,687,912.31/18,477,148.96 - Step 6: Final answer
x = 16,617,066.43
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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.