Finding the Fourth Proportional to 13,237,352.46, 18,268,326.66 and 9,968,399.82
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Solution
The fourth proportional to 13,237,352.46, 18,268,326.66 and 9,968,399.82 is: 13,756,979.33
Step by Step Solution
- Step 1: Write the proportion equation
13,237,352.46 : 18,268,326.66 = 9,968,399.82 : x - Step 2: Convert to fraction form
13,237,352.46/18,268,326.66 = 9,968,399.82/x - Step 3: Cross multiply
13,237,352.46x = 18,268,326.66 × 9,968,399.82 - Step 4: Simplify right side
13,237,352.46x = 182,105,984,189,245.22 - Step 5: Solve for x
x = 182,105,984,189,245.22/13,237,352.46 - Step 6: Final answer
x = 13,756,979.33
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1.5x scale
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.