Finding the Fourth Proportional to 7,994,755.88, 11,992,135.86 and 2,238,337.57
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Solution
The fourth proportional to 7,994,755.88, 11,992,135.86 and 2,238,337.57 is: 3,357,506.92
Step by Step Solution
- Step 1: Write the proportion equation
7,994,755.88 : 11,992,135.86 = 2,238,337.57 : x - Step 2: Convert to fraction form
7,994,755.88/11,992,135.86 = 2,238,337.57/x - Step 3: Cross multiply
7,994,755.88x = 11,992,135.86 × 2,238,337.57 - Step 4: Simplify right side
7,994,755.88x = 26,842,448,210,001.92 - Step 5: Solve for x
x = 26,842,448,210,001.92/7,994,755.88 - Step 6: Final answer
x = 3,357,506.92
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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.