Finding the Fourth Proportional to 21,505,717.80, 32,258,576.70 and 5,549,365.80
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Solution
The fourth proportional to 21,505,717.80, 32,258,576.70 and 5,549,365.80 is: 8,324,048.70
Step by Step Solution
- Step 1: Write the proportion equation
21,505,717.80 : 32,258,576.70 = 5,549,365.80 : x - Step 2: Convert to fraction form
21,505,717.80/32,258,576.70 = 5,549,365.80/x - Step 3: Cross multiply
21,505,717.80x = 32,258,576.70 × 5,549,365.80 - Step 4: Simplify right side
21,505,717.80x = 179,014,642,295,656.84 - Step 5: Solve for x
x = 179,014,642,295,656.84/21,505,717.80 - Step 6: Final answer
x = 8,324,048.70
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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.