Finding the Fourth Proportional to 23,712,072.44, 32,712,639.81 and 15,874,109.80
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Solution
The fourth proportional to 23,712,072.44, 32,712,639.81 and 15,874,109.80 is: 21,899,563.50
Step by Step Solution
- Step 1: Write the proportion equation
23,712,072.44 : 32,712,639.81 = 15,874,109.80 : x - Step 2: Convert to fraction form
23,712,072.44/32,712,639.81 = 15,874,109.80/x - Step 3: Cross multiply
23,712,072.44x = 32,712,639.81 × 15,874,109.80 - Step 4: Simplify right side
23,712,072.44x = 519,284,036,050,481.56 - Step 5: Solve for x
x = 519,284,036,050,481.56/23,712,072.44 - Step 6: Final answer
x = 21,899,563.50
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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.