Finding the Fourth Proportional to 32,806,983.76, 45,272,758.84 and 18,122,333.99
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Solution
The fourth proportional to 32,806,983.76, 45,272,758.84 and 18,122,333.99 is: 25,008,335.49
Step by Step Solution
- Step 1: Write the proportion equation
32,806,983.76 : 45,272,758.84 = 18,122,333.99 : x - Step 2: Convert to fraction form
32,806,983.76/45,272,758.84 = 18,122,333.99/x - Step 3: Cross multiply
32,806,983.76x = 45,272,758.84 × 18,122,333.99 - Step 4: Simplify right side
32,806,983.76x = 820,448,056,075,535.25 - Step 5: Solve for x
x = 820,448,056,075,535.25/32,806,983.76 - Step 6: Final answer
x = 25,008,335.49
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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.