Finding the Fourth Proportional to 20,180,227.08, 27,848,706.12 and 11,012,869.92
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Solution
The fourth proportional to 20,180,227.08, 27,848,706.12 and 11,012,869.92 is: 15,197,756.53
Step by Step Solution
- Step 1: Write the proportion equation
20,180,227.08 : 27,848,706.12 = 11,012,869.92 : x - Step 2: Convert to fraction form
20,180,227.08/27,848,706.12 = 11,012,869.92/x - Step 3: Cross multiply
20,180,227.08x = 27,848,706.12 × 11,012,869.92 - Step 4: Simplify right side
20,180,227.08x = 306,694,177,939,867.94 - Step 5: Solve for x
x = 306,694,177,939,867.94/20,180,227.08 - Step 6: Final answer
x = 15,197,756.53
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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.