Finding the Fourth Proportional to 13,446,794.80, 20,170,192.20 and 3,349,415.80
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Solution
The fourth proportional to 13,446,794.80, 20,170,192.20 and 3,349,415.80 is: 5,024,123.70
Step by Step Solution
- Step 1: Write the proportion equation
13,446,794.80 : 20,170,192.20 = 3,349,415.80 : x - Step 2: Convert to fraction form
13,446,794.80/20,170,192.20 = 3,349,415.80/x - Step 3: Cross multiply
13,446,794.80x = 20,170,192.20 × 3,349,415.80 - Step 4: Simplify right side
13,446,794.80x = 67,558,360,443,716.75 - Step 5: Solve for x
x = 67,558,360,443,716.75/13,446,794.80 - Step 6: Final answer
x = 5,024,123.70
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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.