Finding the Fourth Proportional to 19,683,101.20, 29,524,651.80 and 10,117,163.20
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Solution
The fourth proportional to 19,683,101.20, 29,524,651.80 and 10,117,163.20 is: 15,175,744.80
Step by Step Solution
- Step 1: Write the proportion equation
19,683,101.20 : 29,524,651.80 = 10,117,163.20 : x - Step 2: Convert to fraction form
19,683,101.20/29,524,651.80 = 10,117,163.20/x - Step 3: Cross multiply
19,683,101.20x = 29,524,651.80 × 10,117,163.20 - Step 4: Simplify right side
19,683,101.20x = 298,705,720,683,773.75 - Step 5: Solve for x
x = 298,705,720,683,773.75/19,683,101.20 - Step 6: Final answer
x = 15,175,744.80
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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.