Finding the Fourth Proportional to 10,533,840.79, 14,530,879.92 and 8,575,825.09
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Solution
The fourth proportional to 10,533,840.79, 14,530,879.92 and 8,575,825.09 is: 11,829,900.14
Step by Step Solution
- Step 1: Write the proportion equation
10,533,840.79 : 14,530,879.92 = 8,575,825.09 : x - Step 2: Convert to fraction form
10,533,840.79/14,530,879.92 = 8,575,825.09/x - Step 3: Cross multiply
10,533,840.79x = 14,530,879.92 × 8,575,825.09 - Step 4: Simplify right side
10,533,840.79x = 124,614,284,597,713.19 - Step 5: Solve for x
x = 124,614,284,597,713.19/10,533,840.79 - Step 6: Final answer
x = 11,829,900.14
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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.