Finding the Fourth Proportional to 7,484,021.48, 11,221,205.70 and 2,935,530.09
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Solution
The fourth proportional to 7,484,021.48, 11,221,205.70 and 2,935,530.09 is: 4,401,401.98
Step by Step Solution
- Step 1: Write the proportion equation
7,484,021.48 : 11,221,205.70 = 2,935,530.09 : x - Step 2: Convert to fraction form
7,484,021.48/11,221,205.70 = 2,935,530.09/x - Step 3: Cross multiply
7,484,021.48x = 11,221,205.70 × 2,935,530.09 - Step 4: Simplify right side
7,484,021.48x = 32,940,186,907,645.84 - Step 5: Solve for x
x = 32,940,186,907,645.84/7,484,021.48 - Step 6: Final answer
x = 4,401,401.98
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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.