Finding the Fourth Proportional to 9,808,235.07, 14,691,333.60 and 7,977,912.09
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Solution
The fourth proportional to 9,808,235.07, 14,691,333.60 and 7,977,912.09 is: 11,949,771.50
Step by Step Solution
- Step 1: Write the proportion equation
9,808,235.07 : 14,691,333.60 = 7,977,912.09 : x - Step 2: Convert to fraction form
9,808,235.07/14,691,333.60 = 7,977,912.09/x - Step 3: Cross multiply
9,808,235.07x = 14,691,333.60 × 7,977,912.09 - Step 4: Simplify right side
9,808,235.07x = 117,206,167,945,663.22 - Step 5: Solve for x
x = 117,206,167,945,663.22/9,808,235.07 - Step 6: Final answer
x = 11,949,771.50
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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.