Finding the Fourth Proportional to 7,991,912.02, 11,028,614.62 and 4,370,162.26
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Solution
The fourth proportional to 7,991,912.02, 11,028,614.62 and 4,370,162.26 is: 6,030,701.45
Step by Step Solution
- Step 1: Write the proportion equation
7,991,912.02 : 11,028,614.62 = 4,370,162.26 : x - Step 2: Convert to fraction form
7,991,912.02/11,028,614.62 = 4,370,162.26/x - Step 3: Cross multiply
7,991,912.02x = 11,028,614.62 × 4,370,162.26 - Step 4: Simplify right side
7,991,912.02x = 48,196,835,392,408.23 - Step 5: Solve for x
x = 48,196,835,392,408.23/7,991,912.02 - Step 6: Final answer
x = 6,030,701.45
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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.