Finding the Fourth Proportional to 11,119,147.34, 15,344,743.80 and 6,224,340.62
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Solution
The fourth proportional to 11,119,147.34, 15,344,743.80 and 6,224,340.62 is: 8,589,769.45
Step by Step Solution
- Step 1: Write the proportion equation
11,119,147.34 : 15,344,743.80 = 6,224,340.62 : x - Step 2: Convert to fraction form
11,119,147.34/15,344,743.80 = 6,224,340.62/x - Step 3: Cross multiply
11,119,147.34x = 15,344,743.80 × 6,224,340.62 - Step 4: Simplify right side
11,119,147.34x = 95,510,912,061,109.44 - Step 5: Solve for x
x = 95,510,912,061,109.44/11,119,147.34 - Step 6: Final answer
x = 8,589,769.45
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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.