Finding the Fourth Proportional to 31,435,350.18, 47,149,708.86 and 8,408,608.44
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Solution
The fourth proportional to 31,435,350.18, 47,149,708.86 and 8,408,608.44 is: 12,612,025.56
Step by Step Solution
- Step 1: Write the proportion equation
31,435,350.18 : 47,149,708.86 = 8,408,608.44 : x - Step 2: Convert to fraction form
31,435,350.18/47,149,708.86 = 8,408,608.44/x - Step 3: Cross multiply
31,435,350.18x = 47,149,708.86 × 8,408,608.44 - Step 4: Simplify right side
31,435,350.18x = 396,463,439,863,738.75 - Step 5: Solve for x
x = 396,463,439,863,738.75/31,435,350.18 - Step 6: Final answer
x = 12,612,025.56
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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.