Finding the Fourth Proportional to 7,994,759.10, 11,992,140.68 and 2,238,340.78
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Solution
The fourth proportional to 7,994,759.10, 11,992,140.68 and 2,238,340.78 is: 3,357,511.74
Step by Step Solution
- Step 1: Write the proportion equation
7,994,759.10 : 11,992,140.68 = 2,238,340.78 : x - Step 2: Convert to fraction form
7,994,759.10/11,992,140.68 = 2,238,340.78/x - Step 3: Cross multiply
7,994,759.10x = 11,992,140.68 × 2,238,340.78 - Step 4: Simplify right side
7,994,759.10x = 26,842,497,523,540.93 - Step 5: Solve for x
x = 26,842,497,523,540.93/7,994,759.10 - Step 6: Final answer
x = 3,357,511.74
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1.5x scale
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.