Finding the Fourth Proportional to 13,193,258.88, 18,206,379.60 and 7,392,285.12
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Solution
The fourth proportional to 13,193,258.88, 18,206,379.60 and 7,392,285.12 is: 10,201,175.48
Step by Step Solution
- Step 1: Write the proportion equation
13,193,258.88 : 18,206,379.60 = 7,392,285.12 : x - Step 2: Convert to fraction form
13,193,258.88/18,206,379.60 = 7,392,285.12/x - Step 3: Cross multiply
13,193,258.88x = 18,206,379.60 × 7,392,285.12 - Step 4: Simplify right side
13,193,258.88x = 134,586,749,006,151.56 - Step 5: Solve for x
x = 134,586,749,006,151.56/13,193,258.88 - Step 6: Final answer
x = 10,201,175.48
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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.