Finding the Fourth Proportional to 10,793,659.66, 16,185,880.91 and 6,247,846.21
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Solution
The fourth proportional to 10,793,659.66, 16,185,880.91 and 6,247,846.21 is: 9,369,101.66
Step by Step Solution
- Step 1: Write the proportion equation
10,793,659.66 : 16,185,880.91 = 6,247,846.21 : x - Step 2: Convert to fraction form
10,793,659.66/16,185,880.91 = 6,247,846.21/x - Step 3: Cross multiply
10,793,659.66x = 16,185,880.91 × 6,247,846.21 - Step 4: Simplify right side
10,793,659.66x = 101,126,894,669,414.14 - Step 5: Solve for x
x = 101,126,894,669,414.14/10,793,659.66 - Step 6: Final answer
x = 9,369,101.66
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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.