Finding the Fourth Proportional to 12,353,257.36, 18,532,362.72 and 4,266,529.60
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Solution
The fourth proportional to 12,353,257.36, 18,532,362.72 and 4,266,529.60 is: 6,400,649.79
Step by Step Solution
- Step 1: Write the proportion equation
12,353,257.36 : 18,532,362.72 = 4,266,529.60 : x - Step 2: Convert to fraction form
12,353,257.36/18,532,362.72 = 4,266,529.60/x - Step 3: Cross multiply
12,353,257.36x = 18,532,362.72 × 4,266,529.60 - Step 4: Simplify right side
12,353,257.36x = 79,068,874,102,816.50 - Step 5: Solve for x
x = 79,068,874,102,816.50/12,353,257.36 - Step 6: Final answer
x = 6,400,649.79
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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.