Finding the Fourth Proportional to 16,536,431.40, 24,803,042.30 and 5,021,997.80
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Solution
The fourth proportional to 16,536,431.40, 24,803,042.30 and 5,021,997.80 is: 7,532,509.33
Step by Step Solution
- Step 1: Write the proportion equation
16,536,431.40 : 24,803,042.30 = 5,021,997.80 : x - Step 2: Convert to fraction form
16,536,431.40/24,803,042.30 = 5,021,997.80/x - Step 3: Cross multiply
16,536,431.40x = 24,803,042.30 × 5,021,997.80 - Step 4: Simplify right side
16,536,431.40x = 124,560,823,863,906.94 - Step 5: Solve for x
x = 124,560,823,863,906.94/16,536,431.40 - Step 6: Final answer
x = 7,532,509.33
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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.