Finding the Fourth Proportional to 7,877,357.21, 11,811,311.34 and 3,612,182.33
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Solution
The fourth proportional to 7,877,357.21, 11,811,311.34 and 3,612,182.33 is: 5,416,107.07
Step by Step Solution
- Step 1: Write the proportion equation
7,877,357.21 : 11,811,311.34 = 3,612,182.33 : x - Step 2: Convert to fraction form
7,877,357.21/11,811,311.34 = 3,612,182.33/x - Step 3: Cross multiply
7,877,357.21x = 11,811,311.34 × 3,612,182.33 - Step 4: Simplify right side
7,877,357.21x = 42,664,610,057,420.07 - Step 5: Solve for x
x = 42,664,610,057,420.07/7,877,357.21 - Step 6: Final answer
x = 5,416,107.07
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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.