Finding the Fourth Proportional to 8,656,974.84, 11,950,451.82 and 5,173,542.84
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Solution
The fourth proportional to 8,656,974.84, 11,950,451.82 and 5,173,542.84 is: 7,141,775.92
Step by Step Solution
- Step 1: Write the proportion equation
8,656,974.84 : 11,950,451.82 = 5,173,542.84 : x - Step 2: Convert to fraction form
8,656,974.84/11,950,451.82 = 5,173,542.84/x - Step 3: Cross multiply
8,656,974.84x = 11,950,451.82 × 5,173,542.84 - Step 4: Simplify right side
8,656,974.84x = 61,826,174,448,125.97 - Step 5: Solve for x
x = 61,826,174,448,125.97/8,656,974.84 - Step 6: Final answer
x = 7,141,775.92
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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.