Finding the Fourth Proportional to 11,179,900.02, 15,428,809.35 and 6,286,662.48
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Solution
The fourth proportional to 11,179,900.02, 15,428,809.35 and 6,286,662.48 is: 8,675,901.99
Step by Step Solution
- Step 1: Write the proportion equation
11,179,900.02 : 15,428,809.35 = 6,286,662.48 : x - Step 2: Convert to fraction form
11,179,900.02/15,428,809.35 = 6,286,662.48/x - Step 3: Cross multiply
11,179,900.02x = 15,428,809.35 × 6,286,662.48 - Step 4: Simplify right side
11,179,900.02x = 96,995,716,851,718.19 - Step 5: Solve for x
x = 96,995,716,851,718.19/11,179,900.02 - Step 6: Final answer
x = 8,675,901.99
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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.