Finding the Fourth Proportional to 19,735,647.80, 29,561,481.30 and 16,376,415.80
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Solution
The fourth proportional to 19,735,647.80, 29,561,481.30 and 16,376,415.80 is: 24,529,780.54
Step by Step Solution
- Step 1: Write the proportion equation
19,735,647.80 : 29,561,481.30 = 16,376,415.80 : x - Step 2: Convert to fraction form
19,735,647.80/29,561,481.30 = 16,376,415.80/x - Step 3: Cross multiply
19,735,647.80x = 29,561,481.30 × 16,376,415.80 - Step 4: Simplify right side
19,735,647.80x = 484,111,109,432,724.56 - Step 5: Solve for x
x = 484,111,109,432,724.56/19,735,647.80 - Step 6: Final answer
x = 24,529,780.54
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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.