Finding the Fourth Proportional to 7,412,832.23, 11,126,439.02 and 3,577,354.07
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Solution
The fourth proportional to 7,412,832.23, 11,126,439.02 and 3,577,354.07 is: 5,369,501.25
Step by Step Solution
- Step 1: Write the proportion equation
7,412,832.23 : 11,126,439.02 = 3,577,354.07 : x - Step 2: Convert to fraction form
7,412,832.23/11,126,439.02 = 3,577,354.07/x - Step 3: Cross multiply
7,412,832.23x = 11,126,439.02 × 3,577,354.07 - Step 4: Simplify right side
7,412,832.23x = 39,803,211,866,115.01 - Step 5: Solve for x
x = 39,803,211,866,115.01/7,412,832.23 - Step 6: Final answer
x = 5,369,501.25
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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.