Finding the Fourth Proportional to 11,933,237.40, 16,467,432.12 and 7,294,790.94
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Solution
The fourth proportional to 11,933,237.40, 16,467,432.12 and 7,294,790.94 is: 10,066,545.28
Step by Step Solution
- Step 1: Write the proportion equation
11,933,237.40 : 16,467,432.12 = 7,294,790.94 : x - Step 2: Convert to fraction form
11,933,237.40/16,467,432.12 = 7,294,790.94/x - Step 3: Cross multiply
11,933,237.40x = 16,467,432.12 × 7,294,790.94 - Step 4: Simplify right side
11,933,237.40x = 120,126,474,634,041 - Step 5: Solve for x
x = 120,126,474,634,041/11,933,237.40 - Step 6: Final answer
x = 10,066,545.28
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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.