Finding the Fourth Proportional to 12,235,103.43, 16,884,106.03 and 6,728,478.29
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Solution
The fourth proportional to 12,235,103.43, 16,884,106.03 and 6,728,478.29 is: 9,285,114.88
Step by Step Solution
- Step 1: Write the proportion equation
12,235,103.43 : 16,884,106.03 = 6,728,478.29 : x - Step 2: Convert to fraction form
12,235,103.43/16,884,106.03 = 6,728,478.29/x - Step 3: Cross multiply
12,235,103.43x = 16,884,106.03 × 6,728,478.29 - Step 4: Simplify right side
12,235,103.43x = 113,604,340,868,913.09 - Step 5: Solve for x
x = 113,604,340,868,913.09/12,235,103.43 - Step 6: Final answer
x = 9,285,114.88
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1.5x scale
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.