Finding the Fourth Proportional to 8,319,677.87, 11,480,940.77 and 4,648,624.62
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Solution
The fourth proportional to 8,319,677.87, 11,480,940.77 and 4,648,624.62 is: 6,414,982.02
Step by Step Solution
- Step 1: Write the proportion equation
8,319,677.87 : 11,480,940.77 = 4,648,624.62 : x - Step 2: Convert to fraction form
8,319,677.87/11,480,940.77 = 4,648,624.62/x - Step 3: Cross multiply
8,319,677.87x = 11,480,940.77 × 4,648,624.62 - Step 4: Simplify right side
8,319,677.87x = 53,370,583,900,940.64 - Step 5: Solve for x
x = 53,370,583,900,940.64/8,319,677.87 - Step 6: Final answer
x = 6,414,982.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.