Finding the Fourth Proportional to 29,968,687.97, 41,356,788.05 and 16,217,652.47
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Solution
The fourth proportional to 29,968,687.97, 41,356,788.05 and 16,217,652.47 is: 22,380,359.68
Step by Step Solution
- Step 1: Write the proportion equation
29,968,687.97 : 41,356,788.05 = 16,217,652.47 : x - Step 2: Convert to fraction form
29,968,687.97/41,356,788.05 = 16,217,652.47/x - Step 3: Cross multiply
29,968,687.97x = 41,356,788.05 × 16,217,652.47 - Step 4: Simplify right side
29,968,687.97x = 670,710,015,789,260.75 - Step 5: Solve for x
x = 670,710,015,789,260.75/29,968,687.97 - Step 6: Final answer
x = 22,380,359.68
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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.