Finding the Fourth Proportional to 31,205,113.50, 46,806,325.21 and 8,175,540.18
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Solution
The fourth proportional to 31,205,113.50, 46,806,325.21 and 8,175,540.18 is: 12,262,957.88
Step by Step Solution
- Step 1: Write the proportion equation
31,205,113.50 : 46,806,325.21 = 8,175,540.18 : x - Step 2: Convert to fraction form
31,205,113.50/46,806,325.21 = 8,175,540.18/x - Step 3: Cross multiply
31,205,113.50x = 46,806,325.21 × 8,175,540.18 - Step 4: Simplify right side
31,205,113.50x = 382,666,992,432,501.94 - Step 5: Solve for x
x = 382,666,992,432,501.94/31,205,113.50 - Step 6: Final answer
x = 12,262,957.88
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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.