Finding the Fourth Proportional to 11,944,490.68, 16,483,396.62 and 6,787,862.20
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Solution
The fourth proportional to 11,944,490.68, 16,483,396.62 and 6,787,862.20 is: 9,367,249.54
Step by Step Solution
- Step 1: Write the proportion equation
11,944,490.68 : 16,483,396.62 = 6,787,862.20 : x - Step 2: Convert to fraction form
11,944,490.68/16,483,396.62 = 6,787,862.20/x - Step 3: Cross multiply
11,944,490.68x = 16,483,396.62 × 6,787,862.20 - Step 4: Simplify right side
11,944,490.68x = 111,887,024,844,505.77 - Step 5: Solve for x
x = 111,887,024,844,505.77/11,944,490.68 - Step 6: Final answer
x = 9,367,249.54
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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.