Finding the Fourth Proportional to 10,036,623.13, 13,850,539.91 and 5,685,709.42
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Solution
The fourth proportional to 10,036,623.13, 13,850,539.91 and 5,685,709.42 is: 7,846,278.99
Step by Step Solution
- Step 1: Write the proportion equation
10,036,623.13 : 13,850,539.91 = 5,685,709.42 : x - Step 2: Convert to fraction form
10,036,623.13/13,850,539.91 = 5,685,709.42/x - Step 3: Cross multiply
10,036,623.13x = 13,850,539.91 × 5,685,709.42 - Step 4: Simplify right side
10,036,623.13x = 78,750,145,238,372.95 - Step 5: Solve for x
x = 78,750,145,238,372.95/10,036,623.13 - Step 6: Final answer
x = 7,846,278.99
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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.