Finding the Fourth Proportional to 13,347,491.05, 18,419,682.77 and 7,841,098
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Solution
The fourth proportional to 13,347,491.05, 18,419,682.77 and 7,841,098 is: 10,820,800.49
Step by Step Solution
- Step 1: Write the proportion equation
13,347,491.05 : 18,419,682.77 = 7,841,098 : x - Step 2: Convert to fraction form
13,347,491.05/18,419,682.77 = 7,841,098/x - Step 3: Cross multiply
13,347,491.05x = 18,419,682.77 × 7,841,098 - Step 4: Simplify right side
13,347,491.05x = 144,430,537,728,481.47 - Step 5: Solve for x
x = 144,430,537,728,481.47/13,347,491.05 - Step 6: Final answer
x = 10,820,800.49
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1.5x scale
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.