Finding the Fourth Proportional to 12,215,349.24, 18,323,013.44 and 3,117,446.12
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Solution
The fourth proportional to 12,215,349.24, 18,323,013.44 and 3,117,446.12 is: 4,676,166.52
Step by Step Solution
- Step 1: Write the proportion equation
12,215,349.24 : 18,323,013.44 = 3,117,446.12 : x - Step 2: Convert to fraction form
12,215,349.24/18,323,013.44 = 3,117,446.12/x - Step 3: Cross multiply
12,215,349.24x = 18,323,013.44 × 3,117,446.12 - Step 4: Simplify right side
12,215,349.24x = 57,121,007,155,235.86 - Step 5: Solve for x
x = 57,121,007,155,235.86/12,215,349.24 - Step 6: Final answer
x = 4,676,166.52
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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.