Finding the Fourth Proportional to 8,694,516.99, 13,104,270.72 and 7,494,576.78
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Solution
The fourth proportional to 8,694,516.99, 13,104,270.72 and 7,494,576.78 is: 11,295,735.37
Step by Step Solution
- Step 1: Write the proportion equation
8,694,516.99 : 13,104,270.72 = 7,494,576.78 : x - Step 2: Convert to fraction form
8,694,516.99/13,104,270.72 = 7,494,576.78/x - Step 3: Cross multiply
8,694,516.99x = 13,104,270.72 × 7,494,576.78 - Step 4: Simplify right side
8,694,516.99x = 98,210,963,056,945.89 - Step 5: Solve for x
x = 98,210,963,056,945.89/8,694,516.99 - Step 6: Final answer
x = 11,295,735.37
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.