Finding the Fourth Proportional to 7,958,206.47, 11,939,831.84 and 2,840,522.93
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Solution
The fourth proportional to 7,958,206.47, 11,939,831.84 and 2,840,522.93 is: 4,261,684.62
Step by Step Solution
- Step 1: Write the proportion equation
7,958,206.47 : 11,939,831.84 = 2,840,522.93 : x - Step 2: Convert to fraction form
7,958,206.47/11,939,831.84 = 2,840,522.93/x - Step 3: Cross multiply
7,958,206.47x = 11,939,831.84 × 2,840,522.93 - Step 4: Simplify right side
7,958,206.47x = 33,915,366,109,640.68 - Step 5: Solve for x
x = 33,915,366,109,640.68/7,958,206.47 - Step 6: Final answer
x = 4,261,684.62
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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.