Finding the Fourth Proportional to 8,952,072.81, 13,430,729.49 and 2,886,682.58
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Solution
The fourth proportional to 8,952,072.81, 13,430,729.49 and 2,886,682.58 is: 4,330,868.80
Step by Step Solution
- Step 1: Write the proportion equation
8,952,072.81 : 13,430,729.49 = 2,886,682.58 : x - Step 2: Convert to fraction form
8,952,072.81/13,430,729.49 = 2,886,682.58/x - Step 3: Cross multiply
8,952,072.81x = 13,430,729.49 × 2,886,682.58 - Step 4: Simplify right side
8,952,072.81x = 38,770,252,855,475.29 - Step 5: Solve for x
x = 38,770,252,855,475.29/8,952,072.81 - Step 6: Final answer
x = 4,330,868.80
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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.