Finding the Fourth Proportional to 11,551,516.70, 17,302,362.81 and 10,872,394.88
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Solution
The fourth proportional to 11,551,516.70, 17,302,362.81 and 10,872,394.88 is: 16,285,144.69
Step by Step Solution
- Step 1: Write the proportion equation
11,551,516.70 : 17,302,362.81 = 10,872,394.88 : x - Step 2: Convert to fraction form
11,551,516.70/17,302,362.81 = 10,872,394.88/x - Step 3: Cross multiply
11,551,516.70x = 17,302,362.81 × 10,872,394.88 - Step 4: Simplify right side
11,551,516.70x = 188,118,120,827,346.41 - Step 5: Solve for x
x = 188,118,120,827,346.41/11,551,516.70 - Step 6: Final answer
x = 16,285,144.69
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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.