Finding the Fourth Proportional to 8,412,303.40, 12,618,455.10 and 2,733,101.80
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Solution
The fourth proportional to 8,412,303.40, 12,618,455.10 and 2,733,101.80 is: 4,099,652.70
Step by Step Solution
- Step 1: Write the proportion equation
8,412,303.40 : 12,618,455.10 = 2,733,101.80 : x - Step 2: Convert to fraction form
8,412,303.40/12,618,455.10 = 2,733,101.80/x - Step 3: Cross multiply
8,412,303.40x = 12,618,455.10 × 2,733,101.80 - Step 4: Simplify right side
8,412,303.40x = 34,487,522,347,029.18 - Step 5: Solve for x
x = 34,487,522,347,029.18/8,412,303.40 - Step 6: Final answer
x = 4,099,652.70
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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.