Finding the Fourth Proportional to 18,217,825.08, 27,332,041.08 and 8,620,000.62
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Solution
The fourth proportional to 18,217,825.08, 27,332,041.08 and 8,620,000.62 is: 12,932,510.33
Step by Step Solution
- Step 1: Write the proportion equation
18,217,825.08 : 27,332,041.08 = 8,620,000.62 : x - Step 2: Convert to fraction form
18,217,825.08/27,332,041.08 = 8,620,000.62/x - Step 3: Cross multiply
18,217,825.08x = 27,332,041.08 × 8,620,000.62 - Step 4: Simplify right side
18,217,825.08x = 235,602,211,055,465.44 - Step 5: Solve for x
x = 235,602,211,055,465.44/18,217,825.08 - Step 6: Final answer
x = 12,932,510.33
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1.5x scale
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.