Finding the Fourth Proportional to 7,814,793.84, 11,715,929.40 and 3,714,055.44
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Solution
The fourth proportional to 7,814,793.84, 11,715,929.40 and 3,714,055.44 is: 5,568,107.39
Step by Step Solution
- Step 1: Write the proportion equation
7,814,793.84 : 11,715,929.40 = 3,714,055.44 : x - Step 2: Convert to fraction form
7,814,793.84/11,715,929.40 = 3,714,055.44/x - Step 3: Cross multiply
7,814,793.84x = 11,715,929.40 × 3,714,055.44 - Step 4: Simplify right side
7,814,793.84x = 43,513,611,322,725.94 - Step 5: Solve for x
x = 43,513,611,322,725.94/7,814,793.84 - Step 6: Final answer
x = 5,568,107.39
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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.