Finding the Fourth Proportional to 11,728,870.76, 16,176,245.37 and 8,255,706.99
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Solution
The fourth proportional to 11,728,870.76, 16,176,245.37 and 8,255,706.99 is: 11,386,121.03
Step by Step Solution
- Step 1: Write the proportion equation
11,728,870.76 : 16,176,245.37 = 8,255,706.99 : x - Step 2: Convert to fraction form
11,728,870.76/16,176,245.37 = 8,255,706.99/x - Step 3: Cross multiply
11,728,870.76x = 16,176,245.37 × 8,255,706.99 - Step 4: Simplify right side
11,728,870.76x = 133,546,341,973,064.14 - Step 5: Solve for x
x = 133,546,341,973,064.14/11,728,870.76 - Step 6: Final answer
x = 11,386,121.03
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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.