Finding the Fourth Proportional to 20,960,762.99, 31,444,557.21 and 6,190,352.73
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Solution
The fourth proportional to 20,960,762.99, 31,444,557.21 and 6,190,352.73 is: 9,286,536.98
Step by Step Solution
- Step 1: Write the proportion equation
20,960,762.99 : 31,444,557.21 = 6,190,352.73 : x - Step 2: Convert to fraction form
20,960,762.99/31,444,557.21 = 6,190,352.73/x - Step 3: Cross multiply
20,960,762.99x = 31,444,557.21 × 6,190,352.73 - Step 4: Simplify right side
20,960,762.99x = 194,652,900,568,564.69 - Step 5: Solve for x
x = 194,652,900,568,564.69/20,960,762.99 - Step 6: Final answer
x = 9,286,536.98
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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.