Finding the Fourth Proportional to 13,204,175.13, 18,225,003.11 and 8,050,378.41
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Solution
The fourth proportional to 13,204,175.13, 18,225,003.11 and 8,050,378.41 is: 11,111,498.45
Step by Step Solution
- Step 1: Write the proportion equation
13,204,175.13 : 18,225,003.11 = 8,050,378.41 : x - Step 2: Convert to fraction form
13,204,175.13/18,225,003.11 = 8,050,378.41/x - Step 3: Cross multiply
13,204,175.13x = 18,225,003.11 × 8,050,378.41 - Step 4: Simplify right side
13,204,175.13x = 146,718,171,518,674.97 - Step 5: Solve for x
x = 146,718,171,518,674.97/13,204,175.13 - Step 6: Final answer
x = 11,111,498.45
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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.