Finding the Fourth Proportional to 7,771,262.63, 10,724,352.76 and 4,286,523.26
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Solution
The fourth proportional to 7,771,262.63, 10,724,352.76 and 4,286,523.26 is: 5,915,407.80
Step by Step Solution
- Step 1: Write the proportion equation
7,771,262.63 : 10,724,352.76 = 4,286,523.26 : x - Step 2: Convert to fraction form
7,771,262.63/10,724,352.76 = 4,286,523.26/x - Step 3: Cross multiply
7,771,262.63x = 10,724,352.76 × 4,286,523.26 - Step 4: Simplify right side
7,771,262.63x = 45,970,187,554,185.20 - Step 5: Solve for x
x = 45,970,187,554,185.20/7,771,262.63 - Step 6: Final answer
x = 5,915,407.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.