Finding the Fourth Proportional to 29,574,163.99, 41,021,141.21 and 28,787,631.31
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Solution
The fourth proportional to 29,574,163.99, 41,021,141.21 and 28,787,631.31 is: 39,930,173.16
Step by Step Solution
- Step 1: Write the proportion equation
29,574,163.99 : 41,021,141.21 = 28,787,631.31 : x - Step 2: Convert to fraction form
29,574,163.99/41,021,141.21 = 28,787,631.31/x - Step 3: Cross multiply
29,574,163.99x = 41,021,141.21 × 28,787,631.31 - Step 4: Simplify right side
29,574,163.99x = 1,180,901,489,068,927.25 - Step 5: Solve for x
x = 1,180,901,489,068,927.25/29,574,163.99 - Step 6: Final answer
x = 39,930,173.16
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.