Finding the Fourth Proportional to 7,889,989.44, 11,835,321.66 and 3,098,717.40
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Solution
The fourth proportional to 7,889,989.44, 11,835,321.66 and 3,098,717.40 is: 4,648,208.65
Step by Step Solution
- Step 1: Write the proportion equation
7,889,989.44 : 11,835,321.66 = 3,098,717.40 : x - Step 2: Convert to fraction form
7,889,989.44/11,835,321.66 = 3,098,717.40/x - Step 3: Cross multiply
7,889,989.44x = 11,835,321.66 × 3,098,717.40 - Step 4: Simplify right side
7,889,989.44x = 36,674,317,162,438.88 - Step 5: Solve for x
x = 36,674,317,162,438.88/7,889,989.44 - Step 6: Final answer
x = 4,648,208.65
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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.