Finding the Fourth Proportional to 32,806,469.76, 45,272,051.15 and 18,121,819.99
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Solution
The fourth proportional to 32,806,469.76, 45,272,051.15 and 18,121,819.99 is: 25,007,627.07
Step by Step Solution
- Step 1: Write the proportion equation
32,806,469.76 : 45,272,051.15 = 18,121,819.99 : x - Step 2: Convert to fraction form
32,806,469.76/45,272,051.15 = 18,121,819.99/x - Step 3: Cross multiply
32,806,469.76x = 45,272,051.15 × 18,121,819.99 - Step 4: Simplify right side
32,806,469.76x = 820,411,961,314,583.38 - Step 5: Solve for x
x = 820,411,961,314,583.38/32,806,469.76 - Step 6: Final answer
x = 25,007,627.07
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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.