Finding the Fourth Proportional to 40,524,043.05, 55,922,621.00 and 22,189,328.55
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Solution
The fourth proportional to 40,524,043.05, 55,922,621.00 and 22,189,328.55 is: 30,620,967.63
Step by Step Solution
- Step 1: Write the proportion equation
40,524,043.05 : 55,922,621.00 = 22,189,328.55 : x - Step 2: Convert to fraction form
40,524,043.05/55,922,621.00 = 22,189,328.55/x - Step 3: Cross multiply
40,524,043.05x = 55,922,621.00 × 22,189,328.55 - Step 4: Simplify right side
40,524,043.05x = 1,240,885,410,635,183 - Step 5: Solve for x
x = 1,240,885,410,635,183/40,524,043.05 - Step 6: Final answer
x = 30,620,967.63
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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.