Finding the Fourth Proportional to 14,194,808.20, 21,292,212.30 and 8,204,177.80
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Solution
The fourth proportional to 14,194,808.20, 21,292,212.30 and 8,204,177.80 is: 12,306,266.70
Step by Step Solution
- Step 1: Write the proportion equation
14,194,808.20 : 21,292,212.30 = 8,204,177.80 : x - Step 2: Convert to fraction form
14,194,808.20/21,292,212.30 = 8,204,177.80/x - Step 3: Cross multiply
14,194,808.20x = 21,292,212.30 × 8,204,177.80 - Step 4: Simplify right side
14,194,808.20x = 174,685,095,464,546.94 - Step 5: Solve for x
x = 174,685,095,464,546.94/14,194,808.20 - Step 6: Final answer
x = 12,306,266.70
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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.