Finding the Fourth Proportional to 13,799,230.40, 20,698,845.60 and 4,711,589.30
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Solution
The fourth proportional to 13,799,230.40, 20,698,845.60 and 4,711,589.30 is: 7,067,383.95
Step by Step Solution
- Step 1: Write the proportion equation
13,799,230.40 : 20,698,845.60 = 4,711,589.30 : x - Step 2: Convert to fraction form
13,799,230.40/20,698,845.60 = 4,711,589.30/x - Step 3: Cross multiply
13,799,230.40x = 20,698,845.60 × 4,711,589.30 - Step 4: Simplify right side
13,799,230.40x = 97,524,459,451,312.08 - Step 5: Solve for x
x = 97,524,459,451,312.08/13,799,230.40 - Step 6: Final answer
x = 7,067,383.95
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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.