Finding the Fourth Proportional to 16,018,220.41, 22,099,044.51 and 11,841,932.50
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Solution
The fourth proportional to 16,018,220.41, 22,099,044.51 and 11,841,932.50 is: 16,337,357.50
Step by Step Solution
- Step 1: Write the proportion equation
16,018,220.41 : 22,099,044.51 = 11,841,932.50 : x - Step 2: Convert to fraction form
16,018,220.41/22,099,044.51 = 11,841,932.50/x - Step 3: Cross multiply
16,018,220.41x = 22,099,044.51 × 11,841,932.50 - Step 4: Simplify right side
16,018,220.41x = 261,695,393,346,668 - Step 5: Solve for x
x = 261,695,393,346,668/16,018,220.41 - Step 6: Final answer
x = 16,337,357.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.