Finding the Fourth Proportional to 11,328,176.28, 15,628,782.52 and 7,410,168.84
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Solution
The fourth proportional to 11,328,176.28, 15,628,782.52 and 7,410,168.84 is: 10,223,350.55
Step by Step Solution
- Step 1: Write the proportion equation
11,328,176.28 : 15,628,782.52 = 7,410,168.84 : x - Step 2: Convert to fraction form
11,328,176.28/15,628,782.52 = 7,410,168.84/x - Step 3: Cross multiply
11,328,176.28x = 15,628,782.52 × 7,410,168.84 - Step 4: Simplify right side
11,328,176.28x = 115,811,917,236,840.67 - Step 5: Solve for x
x = 115,811,917,236,840.67/11,328,176.28 - Step 6: Final answer
x = 10,223,350.55
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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.