Finding the Fourth Proportional to 11,031,821.76, 16,547,732.64 and 3,459,378
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Solution
The fourth proportional to 11,031,821.76, 16,547,732.64 and 3,459,378 is: 5,189,067
Step by Step Solution
- Step 1: Write the proportion equation
11,031,821.76 : 16,547,732.64 = 3,459,378 : x - Step 2: Convert to fraction form
11,031,821.76/16,547,732.64 = 3,459,378/x - Step 3: Cross multiply
11,031,821.76x = 16,547,732.64 × 3,459,378 - Step 4: Simplify right side
11,031,821.76x = 57,244,862,244,697.92 - Step 5: Solve for x
x = 57,244,862,244,697.92/11,031,821.76 - Step 6: Final answer
x = 5,189,067
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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.