Finding the Fourth Proportional to 13,519,745.60, 20,282,690.40 and 4,545,204.80
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Solution
The fourth proportional to 13,519,745.60, 20,282,690.40 and 4,545,204.80 is: 6,818,839.98
Step by Step Solution
- Step 1: Write the proportion equation
13,519,745.60 : 20,282,690.40 = 4,545,204.80 : x - Step 2: Convert to fraction form
13,519,745.60/20,282,690.40 = 4,545,204.80/x - Step 3: Cross multiply
13,519,745.60x = 20,282,690.40 × 4,545,204.80 - Step 4: Simplify right side
13,519,745.60x = 92,188,981,762,993.91 - Step 5: Solve for x
x = 92,188,981,762,993.91/13,519,745.60 - Step 6: Final answer
x = 6,818,839.98
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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.