Finding the Fourth Proportional to 7,567,009.11, 10,442,694.69 and 4,129,471.98
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Solution
The fourth proportional to 7,567,009.11, 10,442,694.69 and 4,129,471.98 is: 5,698,792.55
Step by Step Solution
- Step 1: Write the proportion equation
7,567,009.11 : 10,442,694.69 = 4,129,471.98 : x - Step 2: Convert to fraction form
7,567,009.11/10,442,694.69 = 4,129,471.98/x - Step 3: Cross multiply
7,567,009.11x = 10,442,694.69 × 4,129,471.98 - Step 4: Simplify right side
7,567,009.11x = 43,122,815,118,049.78 - Step 5: Solve for x
x = 43,122,815,118,049.78/7,567,009.11 - Step 6: Final answer
x = 5,698,792.55
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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.