Finding the Fourth Proportional to 7,976,698.14, 11,968,062.69 and 3,122,473.85
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Solution
The fourth proportional to 7,976,698.14, 11,968,062.69 and 3,122,473.85 is: 4,684,891.18
Step by Step Solution
- Step 1: Write the proportion equation
7,976,698.14 : 11,968,062.69 = 3,122,473.85 : x - Step 2: Convert to fraction form
7,976,698.14/11,968,062.69 = 3,122,473.85/x - Step 3: Cross multiply
7,976,698.14x = 11,968,062.69 × 3,122,473.85 - Step 4: Simplify right side
7,976,698.14x = 37,369,962,739,153.13 - Step 5: Solve for x
x = 37,369,962,739,153.13/7,976,698.14 - Step 6: Final answer
x = 4,684,891.18
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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.