Finding the Fourth Proportional to 8,197,276.55, 12,293,768.82 and 2,438,458.73
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Solution
The fourth proportional to 8,197,276.55, 12,293,768.82 and 2,438,458.73 is: 3,657,049.72
Step by Step Solution
- Step 1: Write the proportion equation
8,197,276.55 : 12,293,768.82 = 2,438,458.73 : x - Step 2: Convert to fraction form
8,197,276.55/12,293,768.82 = 2,438,458.73/x - Step 3: Cross multiply
8,197,276.55x = 12,293,768.82 × 2,438,458.73 - Step 4: Simplify right side
8,197,276.55x = 29,977,847,897,507.80 - Step 5: Solve for x
x = 29,977,847,897,507.80/8,197,276.55 - Step 6: Final answer
x = 3,657,049.72
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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.