Finding the Fourth Proportional to 12,282,609.84, 18,439,880.12 and 9,444,714.88
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Solution
The fourth proportional to 12,282,609.84, 18,439,880.12 and 9,444,714.88 is: 14,179,348.89
Step by Step Solution
- Step 1: Write the proportion equation
12,282,609.84 : 18,439,880.12 = 9,444,714.88 : x - Step 2: Convert to fraction form
12,282,609.84/18,439,880.12 = 9,444,714.88/x - Step 3: Cross multiply
12,282,609.84x = 18,439,880.12 × 9,444,714.88 - Step 4: Simplify right side
12,282,609.84x = 174,159,410,154,780.22 - Step 5: Solve for x
x = 174,159,410,154,780.22/12,282,609.84 - Step 6: Final answer
x = 14,179,348.89
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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.