Finding the Fourth Proportional to 7,412,909.85, 11,126,537.48 and 3,577,432.29
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Solution
The fourth proportional to 7,412,909.85, 11,126,537.48 and 3,577,432.29 is: 5,369,609.94
Step by Step Solution
- Step 1: Write the proportion equation
7,412,909.85 : 11,126,537.48 = 3,577,432.29 : x - Step 2: Convert to fraction form
7,412,909.85/11,126,537.48 = 3,577,432.29/x - Step 3: Cross multiply
7,412,909.85x = 11,126,537.48 × 3,577,432.29 - Step 4: Simplify right side
7,412,909.85x = 39,804,434,438,960.07 - Step 5: Solve for x
x = 39,804,434,438,960.07/7,412,909.85 - Step 6: Final answer
x = 5,369,609.94
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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.