Finding the Fourth Proportional to 7,415,217.70, 10,396,234.70 and 7,415,217.70
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Solution
The fourth proportional to 7,415,217.70, 10,396,234.70 and 7,415,217.70 is: 10,396,234.70
Step by Step Solution
- Step 1: Write the proportion equation
7,415,217.70 : 10,396,234.70 = 7,415,217.70 : x - Step 2: Convert to fraction form
7,415,217.70/10,396,234.70 = 7,415,217.70/x - Step 3: Cross multiply
7,415,217.70x = 10,396,234.70 × 7,415,217.70 - Step 4: Simplify right side
7,415,217.70x = 77,090,343,560,794.19 - Step 5: Solve for x
x = 77,090,343,560,794.19/7,415,217.70 - Step 6: Final answer
x = 10,396,234.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.