Finding the Fourth Proportional to 7,270,475.84, 10,033,694.88 and 4,007,286.08
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Solution
The fourth proportional to 7,270,475.84, 10,033,694.88 and 4,007,286.08 is: 5,530,296.33
Step by Step Solution
- Step 1: Write the proportion equation
7,270,475.84 : 10,033,694.88 = 4,007,286.08 : x - Step 2: Convert to fraction form
7,270,475.84/10,033,694.88 = 4,007,286.08/x - Step 3: Cross multiply
7,270,475.84x = 10,033,694.88 × 4,007,286.08 - Step 4: Simplify right side
7,270,475.84x = 40,207,885,823,591.27 - Step 5: Solve for x
x = 40,207,885,823,591.27/7,270,475.84 - Step 6: Final answer
x = 5,530,296.33
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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.