Finding the Fourth Proportional to 10,368,748.60, 15,571,785.30 and 7,532,063.80
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Solution
The fourth proportional to 10,368,748.60, 15,571,785.30 and 7,532,063.80 is: 11,311,652.44
Step by Step Solution
- Step 1: Write the proportion equation
10,368,748.60 : 15,571,785.30 = 7,532,063.80 : x - Step 2: Convert to fraction form
10,368,748.60/15,571,785.30 = 7,532,063.80/x - Step 3: Cross multiply
10,368,748.60x = 15,571,785.30 × 7,532,063.80 - Step 4: Simplify right side
10,368,748.60x = 117,287,680,359,502.14 - Step 5: Solve for x
x = 117,287,680,359,502.14/10,368,748.60 - Step 6: Final answer
x = 11,311,652.44
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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.