Finding the Fourth Proportional to 10,928,931.75, 16,394,184.95 and 4,197,345.75
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Solution
The fourth proportional to 10,928,931.75, 16,394,184.95 and 4,197,345.75 is: 6,296,321.00
Step by Step Solution
- Step 1: Write the proportion equation
10,928,931.75 : 16,394,184.95 = 4,197,345.75 : x - Step 2: Convert to fraction form
10,928,931.75/16,394,184.95 = 4,197,345.75/x - Step 3: Cross multiply
10,928,931.75x = 16,394,184.95 × 4,197,345.75 - Step 4: Simplify right side
10,928,931.75x = 68,812,062,503,609.73 - Step 5: Solve for x
x = 68,812,062,503,609.73/10,928,931.75 - Step 6: Final answer
x = 6,296,321.00
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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.