Finding the Fourth Proportional to 11,268,423.45, 15,550,425.36 and 6,373,540.26
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Solution
The fourth proportional to 11,268,423.45, 15,550,425.36 and 6,373,540.26 is: 8,795,486.12
Step by Step Solution
- Step 1: Write the proportion equation
11,268,423.45 : 15,550,425.36 = 6,373,540.26 : x - Step 2: Convert to fraction form
11,268,423.45/15,550,425.36 = 6,373,540.26/x - Step 3: Cross multiply
11,268,423.45x = 15,550,425.36 × 6,373,540.26 - Step 4: Simplify right side
11,268,423.45x = 99,111,262,092,084.98 - Step 5: Solve for x
x = 99,111,262,092,084.98/11,268,423.45 - Step 6: Final answer
x = 8,795,486.12
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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.