Finding the Fourth Proportional to 10,286,927.45, 15,419,589.74 and 3,461,131.08
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Solution
The fourth proportional to 10,286,927.45, 15,419,589.74 and 3,461,131.08 is: 5,188,062.38
Step by Step Solution
- Step 1: Write the proportion equation
10,286,927.45 : 15,419,589.74 = 3,461,131.08 : x - Step 2: Convert to fraction form
10,286,927.45/15,419,589.74 = 3,461,131.08/x - Step 3: Cross multiply
10,286,927.45x = 15,419,589.74 × 3,461,131.08 - Step 4: Simplify right side
10,286,927.45x = 53,369,221,289,963.12 - Step 5: Solve for x
x = 53,369,221,289,963.12/10,286,927.45 - Step 6: Final answer
x = 5,188,062.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.