Finding the Fourth Proportional to 18,126,316.68, 27,189,208.80 and 4,479,462.72
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Solution
The fourth proportional to 18,126,316.68, 27,189,208.80 and 4,479,462.72 is: 6,719,128.29
Step by Step Solution
- Step 1: Write the proportion equation
18,126,316.68 : 27,189,208.80 = 4,479,462.72 : x - Step 2: Convert to fraction form
18,126,316.68/27,189,208.80 = 4,479,462.72/x - Step 3: Cross multiply
18,126,316.68x = 27,189,208.80 × 4,479,462.72 - Step 4: Simplify right side
18,126,316.68x = 121,793,047,205,895.94 - Step 5: Solve for x
x = 121,793,047,205,895.94/18,126,316.68 - Step 6: Final answer
x = 6,719,128.29
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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.