Finding the Fourth Proportional to 8,587,976.99, 12,881,957.27 and 2,198,219.09
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Solution
The fourth proportional to 8,587,976.99, 12,881,957.27 and 2,198,219.09 is: 3,297,326.53
Step by Step Solution
- Step 1: Write the proportion equation
8,587,976.99 : 12,881,957.27 = 2,198,219.09 : x - Step 2: Convert to fraction form
8,587,976.99/12,881,957.27 = 2,198,219.09/x - Step 3: Cross multiply
8,587,976.99x = 12,881,957.27 × 2,198,219.09 - Step 4: Simplify right side
8,587,976.99x = 28,317,364,376,487.19 - Step 5: Solve for x
x = 28,317,364,376,487.19/8,587,976.99 - Step 6: Final answer
x = 3,297,326.53
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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.