Finding the Fourth Proportional to 11,873,025.28, 16,384,780.20 and 6,716,277.28
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Solution
The fourth proportional to 11,873,025.28, 16,384,780.20 and 6,716,277.28 is: 9,268,465.65
Step by Step Solution
- Step 1: Write the proportion equation
11,873,025.28 : 16,384,780.20 = 6,716,277.28 : x - Step 2: Convert to fraction form
11,873,025.28/16,384,780.20 = 6,716,277.28/x - Step 3: Cross multiply
11,873,025.28x = 16,384,780.20 × 6,716,277.28 - Step 4: Simplify right side
11,873,025.28x = 110,044,726,995,053.86 - Step 5: Solve for x
x = 110,044,726,995,053.86/11,873,025.28 - Step 6: Final answer
x = 9,268,465.65
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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.