Finding the Fourth Proportional to 11,073,541.60, 16,578,819.60 and 8,533,122.40
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Solution
The fourth proportional to 11,073,541.60, 16,578,819.60 and 8,533,122.40 is: 12,775,415.67
Step by Step Solution
- Step 1: Write the proportion equation
11,073,541.60 : 16,578,819.60 = 8,533,122.40 : x - Step 2: Convert to fraction form
11,073,541.60/16,578,819.60 = 8,533,122.40/x - Step 3: Cross multiply
11,073,541.60x = 16,578,819.60 × 8,533,122.40 - Step 4: Simplify right side
11,073,541.60x = 141,469,096,894,319.03 - Step 5: Solve for x
x = 141,469,096,894,319.03/11,073,541.60 - Step 6: Final answer
x = 12,775,415.67
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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.