Finding the Fourth Proportional to 18,346,020.40, 27,540,025.80 and 10,777,250.80
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Solution
The fourth proportional to 18,346,020.40, 27,540,025.80 and 10,777,250.80 is: 16,178,209.69
Step by Step Solution
- Step 1: Write the proportion equation
18,346,020.40 : 27,540,025.80 = 10,777,250.80 : x - Step 2: Convert to fraction form
18,346,020.40/27,540,025.80 = 10,777,250.80/x - Step 3: Cross multiply
18,346,020.40x = 27,540,025.80 × 10,777,250.80 - Step 4: Simplify right side
18,346,020.40x = 296,805,765,085,070.69 - Step 5: Solve for x
x = 296,805,765,085,070.69/18,346,020.40 - Step 6: Final answer
x = 16,178,209.69
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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.