Finding the Fourth Proportional to 44,286,833.70, 66,430,250.55 and 20,398,961.70
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Solution
The fourth proportional to 44,286,833.70, 66,430,250.55 and 20,398,961.70 is: 30,598,442.55
Step by Step Solution
- Step 1: Write the proportion equation
44,286,833.70 : 66,430,250.55 = 20,398,961.70 : x - Step 2: Convert to fraction form
44,286,833.70/66,430,250.55 = 20,398,961.70/x - Step 3: Cross multiply
44,286,833.70x = 66,430,250.55 × 20,398,961.70 - Step 4: Simplify right side
44,286,833.70x = 1,355,108,136,690,853.75 - Step 5: Solve for x
x = 1,355,108,136,690,853.75/44,286,833.70 - Step 6: Final answer
x = 30,598,442.55
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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.