Finding the Fourth Proportional to 21,059,803.86, 31,589,706.37 and 5,707,092.99
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Solution
The fourth proportional to 21,059,803.86, 31,589,706.37 and 5,707,092.99 is: 8,560,639.64
Step by Step Solution
- Step 1: Write the proportion equation
21,059,803.86 : 31,589,706.37 = 5,707,092.99 : x - Step 2: Convert to fraction form
21,059,803.86/31,589,706.37 = 5,707,092.99/x - Step 3: Cross multiply
21,059,803.86x = 31,589,706.37 × 5,707,092.99 - Step 4: Simplify right side
21,059,803.86x = 180,285,391,669,057.81 - Step 5: Solve for x
x = 180,285,391,669,057.81/21,059,803.86 - Step 6: Final answer
x = 8,560,639.64
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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.