Finding the Fourth Proportional to 11,245,634.70, 15,507,377.07 and 9,619,425.74
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Solution
The fourth proportional to 11,245,634.70, 15,507,377.07 and 9,619,425.74 is: 13,264,885.99
Step by Step Solution
- Step 1: Write the proportion equation
11,245,634.70 : 15,507,377.07 = 9,619,425.74 : x - Step 2: Convert to fraction form
11,245,634.70/15,507,377.07 = 9,619,425.74/x - Step 3: Cross multiply
11,245,634.70x = 15,507,377.07 × 9,619,425.74 - Step 4: Simplify right side
11,245,634.70x = 149,172,062,147,043.78 - Step 5: Solve for x
x = 149,172,062,147,043.78/11,245,634.70 - Step 6: Final answer
x = 13,264,885.99
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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.