Finding the Fourth Proportional to 18,181,390.08, 27,282,504.96 and 7,396,700.16
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Solution
The fourth proportional to 18,181,390.08, 27,282,504.96 and 7,396,700.16 is: 11,099,289.32
Step by Step Solution
- Step 1: Write the proportion equation
18,181,390.08 : 27,282,504.96 = 7,396,700.16 : x - Step 2: Convert to fraction form
18,181,390.08/27,282,504.96 = 7,396,700.16/x - Step 3: Cross multiply
18,181,390.08x = 27,282,504.96 × 7,396,700.16 - Step 4: Simplify right side
18,181,390.08x = 201,800,508,802,832.81 - Step 5: Solve for x
x = 201,800,508,802,832.81/18,181,390.08 - Step 6: Final answer
x = 11,099,289.32
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1.5x scale
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.