Finding the Fourth Proportional to 7,976,523.78, 11,962,276.08 and 2,583,923.07
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Solution
The fourth proportional to 7,976,523.78, 11,962,276.08 and 2,583,923.07 is: 3,875,071.65
Step by Step Solution
- Step 1: Write the proportion equation
7,976,523.78 : 11,962,276.08 = 2,583,923.07 : x - Step 2: Convert to fraction form
7,976,523.78/11,962,276.08 = 2,583,923.07/x - Step 3: Cross multiply
7,976,523.78x = 11,962,276.08 × 2,583,923.07 - Step 4: Simplify right side
7,976,523.78x = 30,909,601,132,821.16 - Step 5: Solve for x
x = 30,909,601,132,821.16/7,976,523.78 - Step 6: Final answer
x = 3,875,071.65
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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.