Finding the Fourth Proportional to 20,732,519.98, 31,098,793.84 and 8,598,725.56
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Solution
The fourth proportional to 20,732,519.98, 31,098,793.84 and 8,598,725.56 is: 12,898,094.09
Step by Step Solution
- Step 1: Write the proportion equation
20,732,519.98 : 31,098,793.84 = 8,598,725.56 : x - Step 2: Convert to fraction form
20,732,519.98/31,098,793.84 = 8,598,725.56/x - Step 3: Cross multiply
20,732,519.98x = 31,098,793.84 × 8,598,725.56 - Step 4: Simplify right side
20,732,519.98x = 267,409,993,477,178.56 - Step 5: Solve for x
x = 267,409,993,477,178.56/20,732,519.98 - Step 6: Final answer
x = 12,898,094.09
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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.