Finding the Fourth Proportional to 12,137,672.93, 18,193,793.00 and 5,655,403.26
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Solution
The fourth proportional to 12,137,672.93, 18,193,793.00 and 5,655,403.26 is: 8,477,179.84
Step by Step Solution
- Step 1: Write the proportion equation
12,137,672.93 : 18,193,793.00 = 5,655,403.26 : x - Step 2: Convert to fraction form
12,137,672.93/18,193,793.00 = 5,655,403.26/x - Step 3: Cross multiply
12,137,672.93x = 18,193,793.00 × 5,655,403.26 - Step 4: Simplify right side
12,137,672.93x = 102,893,236,215,688.17 - Step 5: Solve for x
x = 102,893,236,215,688.17/12,137,672.93 - Step 6: Final answer
x = 8,477,179.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.