Finding the Fourth Proportional to 10,732,418.26, 14,809,391.60 and 7,255,322.75
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Solution
The fourth proportional to 10,732,418.26, 14,809,391.60 and 7,255,322.75 is: 10,011,435.75
Step by Step Solution
- Step 1: Write the proportion equation
10,732,418.26 : 14,809,391.60 = 7,255,322.75 : x - Step 2: Convert to fraction form
10,732,418.26/14,809,391.60 = 7,255,322.75/x - Step 3: Cross multiply
10,732,418.26x = 14,809,391.60 × 7,255,322.75 - Step 4: Simplify right side
10,732,418.26x = 107,446,915,789,885.78 - Step 5: Solve for x
x = 107,446,915,789,885.78/10,732,418.26 - Step 6: Final answer
x = 10,011,435.75
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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.