Finding the Fourth Proportional to 18,461,751.60, 27,717,559.20 and 10,793,254.80
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Solution
The fourth proportional to 18,461,751.60, 27,717,559.20 and 10,793,254.80 is: 16,204,458.03
Step by Step Solution
- Step 1: Write the proportion equation
18,461,751.60 : 27,717,559.20 = 10,793,254.80 : x - Step 2: Convert to fraction form
18,461,751.60/27,717,559.20 = 10,793,254.80/x - Step 3: Cross multiply
18,461,751.60x = 27,717,559.20 × 10,793,254.80 - Step 4: Simplify right side
18,461,751.60x = 299,162,678,879,684.19 - Step 5: Solve for x
x = 299,162,678,879,684.19/18,461,751.60 - Step 6: Final answer
x = 16,204,458.03
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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.