Finding the Fourth Proportional to 8,430,391.53, 12,645,620.10 and 2,040,633.63
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Solution
The fourth proportional to 8,430,391.53, 12,645,620.10 and 2,040,633.63 is: 3,060,958.39
Step by Step Solution
- Step 1: Write the proportion equation
8,430,391.53 : 12,645,620.10 = 2,040,633.63 : x - Step 2: Convert to fraction form
8,430,391.53/12,645,620.10 = 2,040,633.63/x - Step 3: Cross multiply
8,430,391.53x = 12,645,620.10 × 2,040,633.63 - Step 4: Simplify right side
8,430,391.53x = 25,805,077,648,263.96 - Step 5: Solve for x
x = 25,805,077,648,263.96/8,430,391.53 - Step 6: Final answer
x = 3,060,958.39
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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.