Finding the Fourth Proportional to 12,230,738.88, 18,348,774 and 3,711,742.08
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Solution
The fourth proportional to 12,230,738.88, 18,348,774 and 3,711,742.08 is: 5,568,422.09
Step by Step Solution
- Step 1: Write the proportion equation
12,230,738.88 : 18,348,774 = 3,711,742.08 : x - Step 2: Convert to fraction form
12,230,738.88/18,348,774 = 3,711,742.08/x - Step 3: Cross multiply
12,230,738.88x = 18,348,774 × 3,711,742.08 - Step 4: Simplify right side
12,230,738.88x = 68,105,916,572,209.92 - Step 5: Solve for x
x = 68,105,916,572,209.92/12,230,738.88 - Step 6: Final answer
x = 5,568,422.09
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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.