Finding the Fourth Proportional to 16,032,494.38, 22,124,249.49 and 8,690,169.88
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Solution
The fourth proportional to 16,032,494.38, 22,124,249.49 and 8,690,169.88 is: 11,992,113.14
Step by Step Solution
- Step 1: Write the proportion equation
16,032,494.38 : 22,124,249.49 = 8,690,169.88 : x - Step 2: Convert to fraction form
16,032,494.38/22,124,249.49 = 8,690,169.88/x - Step 3: Cross multiply
16,032,494.38x = 22,124,249.49 × 8,690,169.88 - Step 4: Simplify right side
16,032,494.38x = 192,263,486,535,603.38 - Step 5: Solve for x
x = 192,263,486,535,603.38/16,032,494.38 - Step 6: Final answer
x = 11,992,113.14
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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.