Finding the Fourth Proportional to 8,415,027.70, 12,622,541.55 and 7,375,765.30
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Solution
The fourth proportional to 8,415,027.70, 12,622,541.55 and 7,375,765.30 is: 11,063,647.95
Step by Step Solution
- Step 1: Write the proportion equation
8,415,027.70 : 12,622,541.55 = 7,375,765.30 : x - Step 2: Convert to fraction form
8,415,027.70/12,622,541.55 = 7,375,765.30/x - Step 3: Cross multiply
8,415,027.70x = 12,622,541.55 × 7,375,765.30 - Step 4: Simplify right side
8,415,027.70x = 93,100,903,962,298.22 - Step 5: Solve for x
x = 93,100,903,962,298.22/8,415,027.70 - Step 6: Final answer
x = 11,063,647.95
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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.