Finding the Fourth Proportional to 8,358,135.15, 12,537,205.52 and 5,517,583.01
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Solution
The fourth proportional to 8,358,135.15, 12,537,205.52 and 5,517,583.01 is: 8,276,376.35
Step by Step Solution
- Step 1: Write the proportion equation
8,358,135.15 : 12,537,205.52 = 5,517,583.01 : x - Step 2: Convert to fraction form
8,358,135.15/12,537,205.52 = 5,517,583.01/x - Step 3: Cross multiply
8,358,135.15x = 12,537,205.52 × 5,517,583.01 - Step 4: Simplify right side
8,358,135.15x = 69,175,072,126,770.80 - Step 5: Solve for x
x = 69,175,072,126,770.80/8,358,135.15 - Step 6: Final answer
x = 8,276,376.35
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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.