Finding the Fourth Proportional to 8,397,883.51, 12,589,323.85 and 3,279,122.53
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Solution
The fourth proportional to 8,397,883.51, 12,589,323.85 and 3,279,122.53 is: 4,915,754.71
Step by Step Solution
- Step 1: Write the proportion equation
8,397,883.51 : 12,589,323.85 = 3,279,122.53 : x - Step 2: Convert to fraction form
8,397,883.51/12,589,323.85 = 3,279,122.53/x - Step 3: Cross multiply
8,397,883.51x = 12,589,323.85 × 3,279,122.53 - Step 4: Simplify right side
8,397,883.51x = 41,281,935,446,626.93 - Step 5: Solve for x
x = 41,281,935,446,626.93/8,397,883.51 - Step 6: Final answer
x = 4,915,754.71
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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.