Finding the Fourth Proportional to 13,183,695.63, 18,193,302.27 and 7,303,311.20
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Solution
The fourth proportional to 13,183,695.63, 18,193,302.27 and 7,303,311.20 is: 10,078,459.94
Step by Step Solution
- Step 1: Write the proportion equation
13,183,695.63 : 18,193,302.27 = 7,303,311.20 : x - Step 2: Convert to fraction form
13,183,695.63/18,193,302.27 = 7,303,311.20/x - Step 3: Cross multiply
13,183,695.63x = 18,193,302.27 × 7,303,311.20 - Step 4: Simplify right side
13,183,695.63x = 132,871,348,278,959.67 - Step 5: Solve for x
x = 132,871,348,278,959.67/13,183,695.63 - Step 6: Final answer
x = 10,078,459.94
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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.